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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComponentsOfEquityAxis_lbl" xml:lang="en-US">Components of equity [axis]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IssuedCapitalMember_lbl" xml:lang="en-US">Issued capital [member]</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_StockOptionReserveMember" xlink:to="ptgef_StockOptionReserveMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_StockOptionReserveMember_lbl" xml:lang="en-US">Stock Option Reserve [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_TreasuryStockMember" xlink:label="ptgef_TreasuryStockMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TreasuryStockMember" xlink:to="ptgef_TreasuryStockMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_TreasuryStockMember_lbl" xml:lang="en-US">Treasury Stock [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AccumulatedOtherComprehensiveIncomeLossMember" xlink:label="ptgef_AccumulatedOtherComprehensiveIncomeLossMember" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AccumulatedOtherComprehensiveIncomeLossMember_lbl" xml:lang="en-US">Accumulated Other Comprehensive Income Loss [Member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RetainedEarningsMember_lbl" xml:lang="en-US">Retained earnings [member]</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncontrollingInterestsMember_lbl" xml:lang="en-US">Non-controlling interests [member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" xlink:label="ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis_lbl" xml:lang="en-US">Classes of intangible assets and goodwill [axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_IOxIPRDMember" xlink:label="ptgef_IOxIPRDMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_IOxIPRDMember" xlink:to="ptgef_IOxIPRDMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_IOxIPRDMember_lbl" xml:lang="en-US">iOx IPR&amp;D [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_TarusIPRDMember" xlink:label="ptgef_TarusIPRDMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TarusIPRDMember" xlink:to="ptgef_TarusIPRDMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_TarusIPRDMember_lbl" xml:lang="en-US">Tarus IPR&amp;D [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_StimunityMember" xlink:label="ptgef_StimunityMember" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_StimunityMember_lbl" xml:lang="en-US">Stimunity [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SaugatuckMember" xlink:label="ptgef_SaugatuckMember" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_IOXMember_lbl" xml:lang="en-US">IOX [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ConsolidatedStructuredEntitiesAxis" xlink:label="ifrs-full_ConsolidatedStructuredEntitiesAxis" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ConsolidatedStructuredEntitiesAxis_lbl" xml:lang="en-US">Consolidated structured entities [axis]</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SalvaRxMember" xlink:to="ptgef_SalvaRxMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SalvaRxMember_lbl" xml:lang="en-US">Salva Rx [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RangeAxis" xlink:label="ifrs-full_RangeAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RangeAxis" xlink:to="ifrs-full_RangeAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RangeAxis_lbl" xml:lang="en-US">Range [axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BottomOfRangeMember" xlink:label="ifrs-full_BottomOfRangeMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BottomOfRangeMember" xlink:to="ifrs-full_BottomOfRangeMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BottomOfRangeMember_lbl" xml:lang="en-US">Bottom of range [member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TopOfRangeMember" xlink:label="ifrs-full_TopOfRangeMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TopOfRangeMember" xlink:to="ifrs-full_TopOfRangeMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TopOfRangeMember_lbl" xml:lang="en-US">Top of range [member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GeographicalAreasAxis" xlink:label="ifrs-full_GeographicalAreasAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GeographicalAreasAxis" xlink:to="ifrs-full_GeographicalAreasAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GeographicalAreasAxis_lbl" xml:lang="en-US">Geographical areas [axis]</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_CountryOfBritishVirginIslandsMember" xlink:to="ptgef_CountryOfBritishVirginIslandsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_CountryOfBritishVirginIslandsMember_lbl" xml:lang="en-US">Country Of British Virgin Islands [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DelawareMember" xlink:label="ptgef_DelawareMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DelawareMember" xlink:to="ptgef_DelawareMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DelawareMember_lbl" xml:lang="en-US">Delaware [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:label="ifrs-full_CategoriesOfRelatedPartiesAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CategoriesOfRelatedPartiesAxis" xlink:to="ifrs-full_CategoriesOfRelatedPartiesAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CategoriesOfRelatedPartiesAxis_lbl" xml:lang="en-US">Categories of related parties [axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SubsidiariesTwoMember" xlink:label="ptgef_SubsidiariesTwoMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SubsidiariesTwoMember" xlink:to="ptgef_SubsidiariesTwoMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SubsidiariesTwoMember_lbl" xml:lang="en-US">Subsidiaries Two [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TypesOfAntidilutiveInstrumentsAxis" xlink:label="ifrs-full_TypesOfAntidilutiveInstrumentsAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TypesOfAntidilutiveInstrumentsAxis" xlink:to="ifrs-full_TypesOfAntidilutiveInstrumentsAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TypesOfAntidilutiveInstrumentsAxis_lbl" xml:lang="en-US">Types of antidilutive instruments [axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WarrantsMember" xlink:label="ifrs-full_WarrantsMember" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WarrantsMember_lbl" xml:lang="en-US">Warrants [member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_StockOptionsMember" xlink:label="ptgef_StockOptionsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_StockOptionsMember" xlink:to="ptgef_StockOptionsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_StockOptionsMember_lbl" xml:lang="en-US">Stock Options [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_RestrictedStockUnitsMember" xlink:label="ptgef_RestrictedStockUnitsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_RestrictedStockUnitsMember" xlink:to="ptgef_RestrictedStockUnitsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_RestrictedStockUnitsMember_lbl" xml:lang="en-US">Restricted Stock Units [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfFinancialInstrumentsAxis" xlink:to="ifrs-full_ClassesOfFinancialInstrumentsAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfFinancialInstrumentsAxis_lbl" xml:lang="en-US">Classes of financial instruments [axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_USDCMember" xlink:label="ptgef_USDCMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_USDCMember" xlink:to="ptgef_USDCMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_USDCMember_lbl" xml:lang="en-US">U S D C [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_UsdtMember" xlink:label="ptgef_UsdtMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_UsdtMember" xlink:to="ptgef_UsdtMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_UsdtMember_lbl" xml:lang="en-US">Usdt [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_TotalMember" xlink:label="ptgef_TotalMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TotalMember" xlink:to="ptgef_TotalMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_TotalMember_lbl" xml:lang="en-US">Total [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IntangibleAssetsMaterialToEntityAxis" xlink:label="ifrs-full_IntangibleAssetsMaterialToEntityAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IntangibleAssetsMaterialToEntityAxis" xlink:to="ifrs-full_IntangibleAssetsMaterialToEntityAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IntangibleAssetsMaterialToEntityAxis_lbl" xml:lang="en-US">Intangible assets material to entity [axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_TONMember" xlink:label="ptgef_TONMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TONMember" xlink:to="ptgef_TONMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_TONMember_lbl" xml:lang="en-US">T O N [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_BITCOINMember" xlink:label="ptgef_BITCOINMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_BITCOINMember" xlink:to="ptgef_BITCOINMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_BITCOINMember_lbl" xml:lang="en-US">B I T C O I N [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_USD1Member" xlink:label="ptgef_USD1Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_USD1Member" xlink:to="ptgef_USD1Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_USD1Member_lbl" xml:lang="en-US">U S D 1 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LockedTonMember" xlink:label="ptgef_LockedTonMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LockedTonMember" xlink:to="ptgef_LockedTonMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_LockedTonMember_lbl" xml:lang="en-US">Locked Ton [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:label="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis" xlink:to="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis_lbl" xml:lang="en-US">Classes of property, plant and equipment [axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_GPUsMember" xlink:label="ptgef_GPUsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_GPUsMember" xlink:to="ptgef_GPUsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_GPUsMember_lbl" xml:lang="en-US">G P Us [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_GPUDepositsMember" xlink:label="ptgef_GPUDepositsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_GPUDepositsMember" xlink:to="ptgef_GPUDepositsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_GPUDepositsMember_lbl" xml:lang="en-US">G P U Deposits [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_RightOfUseAssetMember" xlink:label="ptgef_RightOfUseAssetMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_RightOfUseAssetMember" xlink:to="ptgef_RightOfUseAssetMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_RightOfUseAssetMember_lbl" xml:lang="en-US">Right Of Use Asset [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ClassesOfShareCapitalAxis" xlink:label="ifrs-full_ClassesOfShareCapitalAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ClassesOfShareCapitalAxis" xlink:to="ifrs-full_ClassesOfShareCapitalAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ClassesOfShareCapitalAxis_lbl" xml:lang="en-US">Classes of share capital [axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ClassBWarrantsMember" xlink:label="ptgef_ClassBWarrantsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ClassBWarrantsMember" xlink:to="ptgef_ClassBWarrantsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ClassBWarrantsMember_lbl" xml:lang="en-US">Class B Warrants [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ClassCWarrantsMember" xlink:label="ptgef_ClassCWarrantsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ClassCWarrantsMember" xlink:to="ptgef_ClassCWarrantsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ClassCWarrantsMember_lbl" xml:lang="en-US">Class C Warrants [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PlacementAgentWarrantsMember" xlink:label="ptgef_PlacementAgentWarrantsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PlacementAgentWarrantsMember" xlink:to="ptgef_PlacementAgentWarrantsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PlacementAgentWarrantsMember_lbl" xml:lang="en-US">Placement Agent Warrants [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SeiesBWarrantsMember" xlink:label="ptgef_SeiesBWarrantsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SeiesBWarrantsMember" xlink:to="ptgef_SeiesBWarrantsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SeiesBWarrantsMember_lbl" xml:lang="en-US">Seies B Warrants [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SeiesCWarrantsMember" xlink:label="ptgef_SeiesCWarrantsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SeiesCWarrantsMember" xlink:to="ptgef_SeiesCWarrantsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SeiesCWarrantsMember_lbl" xml:lang="en-US">Seies C Warrants [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PlacementAgentWarrants2026Member" xlink:label="ptgef_PlacementAgentWarrants2026Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PlacementAgentWarrants2026Member" xlink:to="ptgef_PlacementAgentWarrants2026Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PlacementAgentWarrants2026Member_lbl" xml:lang="en-US">Placement Agent Warrants 2026 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SeriesBWarrantsMember" xlink:label="ptgef_SeriesBWarrantsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SeriesBWarrantsMember" xlink:to="ptgef_SeriesBWarrantsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SeriesBWarrantsMember_lbl" xml:lang="en-US">Series B Warrants [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SeriesCWarrantsMember" xlink:label="ptgef_SeriesCWarrantsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SeriesCWarrantsMember" xlink:to="ptgef_SeriesCWarrantsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SeriesCWarrantsMember_lbl" xml:lang="en-US">Series C Warrants [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PlacementAgentsWarrantsMember" xlink:label="ptgef_PlacementAgentsWarrantsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PlacementAgentsWarrantsMember" xlink:to="ptgef_PlacementAgentsWarrantsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PlacementAgentsWarrantsMember_lbl" xml:lang="en-US">Placement Agents Warrants [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_TonTokenVolatilityMember" xlink:label="ptgef_TonTokenVolatilityMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TonTokenVolatilityMember" xlink:to="ptgef_TonTokenVolatilityMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_TonTokenVolatilityMember_lbl" xml:lang="en-US">Ton Token Volatility [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CounterpartiesAxis" xlink:label="ifrs-full_CounterpartiesAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CounterpartiesAxis" xlink:to="ifrs-full_CounterpartiesAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CounterpartiesAxis_lbl" xml:lang="en-US">Counterparties [axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ATMMember" xlink:label="ptgef_ATMMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ATMMember" xlink:to="ptgef_ATMMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ATMMember_lbl" xml:lang="en-US">ATM [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SeriesAWarrantsAndPreFundedWarrantsMember" xlink:label="ptgef_SeriesAWarrantsAndPreFundedWarrantsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SeriesAWarrantsAndPreFundedWarrantsMember" xlink:to="ptgef_SeriesAWarrantsAndPreFundedWarrantsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SeriesAWarrantsAndPreFundedWarrantsMember_lbl" xml:lang="en-US">Series A Warrants And Pre Funded Warrants [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RestrictedShareUnitsMember" xlink:label="ifrs-full_RestrictedShareUnitsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RestrictedShareUnitsMember" xlink:to="ifrs-full_RestrictedShareUnitsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RestrictedShareUnitsMember_lbl" xml:lang="en-US">Restricted share units [member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_MeasurementAxis" xlink:label="ifrs-full_MeasurementAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_MeasurementAxis" xlink:to="ifrs-full_MeasurementAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_MeasurementAxis_lbl" xml:lang="en-US">Measurement [axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_VestedStockOptionMember" xlink:label="ptgef_VestedStockOptionMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_VestedStockOptionMember" xlink:to="ptgef_VestedStockOptionMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_VestedStockOptionMember_lbl" xml:lang="en-US">Vested Stock Option [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DefinedBenefitPlansAxis" xlink:label="ifrs-full_DefinedBenefitPlansAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DefinedBenefitPlansAxis" xlink:to="ifrs-full_DefinedBenefitPlansAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DefinedBenefitPlansAxis_lbl" xml:lang="en-US">Defined benefit plans [axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PBI2021EquityIncentivePlanMember" xlink:label="ptgef_PBI2021EquityIncentivePlanMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PBI2021EquityIncentivePlanMember" xlink:to="ptgef_PBI2021EquityIncentivePlanMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PBI2021EquityIncentivePlanMember_lbl" xml:lang="en-US">PBI 2021 Equity Incentive Plan [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_StockOptionGrantedMember" xlink:label="ptgef_StockOptionGrantedMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_StockOptionGrantedMember" xlink:to="ptgef_StockOptionGrantedMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_StockOptionGrantedMember_lbl" xml:lang="en-US">Stock Option Granted [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestRateBenchmarksAxis" xlink:label="ifrs-full_InterestRateBenchmarksAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestRateBenchmarksAxis" xlink:to="ifrs-full_InterestRateBenchmarksAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestRateBenchmarksAxis_lbl" xml:lang="en-US">Interest rate benchmarks [axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_January132021Member" xlink:label="ptgef_January132021Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_January132021Member" xlink:to="ptgef_January132021Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_January132021Member_lbl" xml:lang="en-US">January 132021 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_January192022Member" xlink:label="ptgef_January192022Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_January192022Member" xlink:to="ptgef_January192022Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_January192022Member_lbl" xml:lang="en-US">January 192022 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_February152022Member" xlink:label="ptgef_February152022Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_February152022Member" xlink:to="ptgef_February152022Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_February152022Member_lbl" xml:lang="en-US">February 152022 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_June82022Member" xlink:label="ptgef_June82022Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_June82022Member" xlink:to="ptgef_June82022Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_June82022Member_lbl" xml:lang="en-US">June 82022 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_July272022Member" xlink:label="ptgef_July272022Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_July272022Member" xlink:to="ptgef_July272022Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_July272022Member_lbl" xml:lang="en-US">July 272022 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_March302023Member" xlink:label="ptgef_March302023Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_March302023Member" xlink:to="ptgef_March302023Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_March302023Member_lbl" xml:lang="en-US">March 302023 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_March72025Member" xlink:label="ptgef_March72025Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_March72025Member" xlink:to="ptgef_March72025Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_March72025Member_lbl" xml:lang="en-US">March 72025 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_July272026Member" xlink:label="ptgef_July272026Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_July272026Member" xlink:to="ptgef_July272026Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_July272026Member_lbl" xml:lang="en-US">July 272026 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_March112026Member" xlink:label="ptgef_March112026Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_March112026Member" xlink:to="ptgef_March112026Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_March112026Member_lbl" xml:lang="en-US">March 112026 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_CROMember" xlink:label="ptgef_CROMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_CROMember" xlink:to="ptgef_CROMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_CROMember_lbl" xml:lang="en-US">C R O [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_CROAgreementMember" xlink:label="ptgef_CROAgreementMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_CROAgreementMember" xlink:to="ptgef_CROAgreementMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_CROAgreementMember_lbl" xml:lang="en-US">C R O Agreement [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_MichaelTerpinMember" xlink:label="ptgef_MichaelTerpinMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_MichaelTerpinMember" xlink:to="ptgef_MichaelTerpinMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_MichaelTerpinMember_lbl" xml:lang="en-US">Michael Terpin [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_SignificantInvestmentsInAssociatesAxis" xlink:to="ifrs-full_SignificantInvestmentsInAssociatesAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_SignificantInvestmentsInAssociatesAxis_lbl" xml:lang="en-US">Associates [axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DirectorCompensationMember" xlink:label="ptgef_DirectorCompensationMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DirectorCompensationMember" xlink:to="ptgef_DirectorCompensationMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DirectorCompensationMember_lbl" xml:lang="en-US">Director Compensation [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_FDanielSicilianoMember" xlink:label="ptgef_FDanielSicilianoMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_FDanielSicilianoMember" xlink:to="ptgef_FDanielSicilianoMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_FDanielSicilianoMember_lbl" xml:lang="en-US">F Daniel Siciliano [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_GregoryHBaileyMDMember" xlink:label="ptgef_GregoryHBaileyMDMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_GregoryHBaileyMDMember" xlink:to="ptgef_GregoryHBaileyMDMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_GregoryHBaileyMDMember_lbl" xml:lang="en-US">Gregory H Bailey M D [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_JamesMellonMember" xlink:label="ptgef_JamesMellonMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_JamesMellonMember" xlink:to="ptgef_JamesMellonMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_JamesMellonMember_lbl" xml:lang="en-US">James Mellon [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_StevenMintzMember" xlink:label="ptgef_StevenMintzMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_StevenMintzMember" xlink:to="ptgef_StevenMintzMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_StevenMintzMember_lbl" xml:lang="en-US">Steven Mintz [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_JeanChristopheRenondinMDMember" xlink:label="ptgef_JeanChristopheRenondinMDMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_JeanChristopheRenondinMDMember" xlink:to="ptgef_JeanChristopheRenondinMDMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_JeanChristopheRenondinMDMember_lbl" xml:lang="en-US">Jean Christophe Renondin M D [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_JustinStebbingMDPhDMember" xlink:label="ptgef_JustinStebbingMDPhDMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_JustinStebbingMDPhDMember" xlink:to="ptgef_JustinStebbingMDPhDMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_JustinStebbingMDPhDMember_lbl" xml:lang="en-US">Justin Stebbing M D Ph D [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LindaKozickMember" xlink:label="ptgef_LindaKozickMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LindaKozickMember" xlink:to="ptgef_LindaKozickMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_LindaKozickMember_lbl" xml:lang="en-US">Linda Kozick [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_MarkSimonMember" xlink:label="ptgef_MarkSimonMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_MarkSimonMember" xlink:to="ptgef_MarkSimonMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_MarkSimonMember_lbl" xml:lang="en-US">Mark Simon [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_RobertGlassmanMember" xlink:label="ptgef_RobertGlassmanMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_RobertGlassmanMember" xlink:to="ptgef_RobertGlassmanMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_RobertGlassmanMember_lbl" xml:lang="en-US">Robert Glassman [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ExecutiveOfficerCompensationMember" xlink:label="ptgef_ExecutiveOfficerCompensationMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ExecutiveOfficerCompensationMember" xlink:to="ptgef_ExecutiveOfficerCompensationMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ExecutiveOfficerCompensationMember_lbl" xml:lang="en-US">Executive Officer Compensation [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_BrittanyKaiserMember" xlink:label="ptgef_BrittanyKaiserMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_BrittanyKaiserMember" xlink:to="ptgef_BrittanyKaiserMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_BrittanyKaiserMember_lbl" xml:lang="en-US">Brittany Kaiser [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_EnzoVillaniMember" xlink:label="ptgef_EnzoVillaniMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_EnzoVillaniMember" xlink:to="ptgef_EnzoVillaniMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_EnzoVillaniMember_lbl" xml:lang="en-US">Enzo Villani [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_WesLevittMember" xlink:label="ptgef_WesLevittMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_WesLevittMember" xlink:to="ptgef_WesLevittMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_WesLevittMember_lbl" xml:lang="en-US">Wes Levitt [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_YuryMitinMember" xlink:label="ptgef_YuryMitinMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_YuryMitinMember" xlink:to="ptgef_YuryMitinMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_YuryMitinMember_lbl" xml:lang="en-US">Yury Mitin [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AlexanderPickettMember" xlink:label="ptgef_AlexanderPickettMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AlexanderPickettMember" xlink:to="ptgef_AlexanderPickettMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AlexanderPickettMember_lbl" xml:lang="en-US">Alexander Pickett [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_IanWaltersMember" xlink:label="ptgef_IanWaltersMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_IanWaltersMember" xlink:to="ptgef_IanWaltersMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_IanWaltersMember_lbl" xml:lang="en-US">Ian Walters [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AndreaParkMember" xlink:label="ptgef_AndreaParkMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AndreaParkMember" xlink:to="ptgef_AndreaParkMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AndreaParkMember_lbl" xml:lang="en-US">Andrea Park [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AllanShawMember" xlink:label="ptgef_AllanShawMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AllanShawMember" xlink:to="ptgef_AllanShawMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AllanShawMember_lbl" xml:lang="en-US">Allan Shaw [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_RobertKramerMember" xlink:label="ptgef_RobertKramerMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_RobertKramerMember" xlink:to="ptgef_RobertKramerMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_RobertKramerMember_lbl" xml:lang="en-US">Robert Kramer [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_BrianWileyMember" xlink:label="ptgef_BrianWileyMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_BrianWileyMember" xlink:to="ptgef_BrianWileyMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_BrianWileyMember_lbl" xml:lang="en-US">Brian Wiley [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_JustinFairchildMember" xlink:label="ptgef_JustinFairchildMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_JustinFairchildMember" xlink:to="ptgef_JustinFairchildMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_JustinFairchildMember_lbl" xml:lang="en-US">Justin Fairchild [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AlexanderPickettTwoMember" xlink:label="ptgef_AlexanderPickettTwoMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AlexanderPickettTwoMember" xlink:to="ptgef_AlexanderPickettTwoMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AlexanderPickettTwoMember_lbl" xml:lang="en-US">Alexander Pickett Two [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_IanBWaltersMember" xlink:label="ptgef_IanBWaltersMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_IanBWaltersMember" xlink:to="ptgef_IanBWaltersMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_IanBWaltersMember_lbl" xml:lang="en-US">Ian B Walters [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_IanBWaltersTwoMember" xlink:label="ptgef_IanBWaltersTwoMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_IanBWaltersTwoMember" xlink:to="ptgef_IanBWaltersTwoMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_IanBWaltersTwoMember_lbl" xml:lang="en-US">Ian B Walters Two [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_IanBWaltersThreeMember" xlink:label="ptgef_IanBWaltersThreeMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_IanBWaltersThreeMember" xlink:to="ptgef_IanBWaltersThreeMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_IanBWaltersThreeMember_lbl" xml:lang="en-US">Ian B Walters Three [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AndreaEParkMember" xlink:label="ptgef_AndreaEParkMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AndreaEParkMember" xlink:to="ptgef_AndreaEParkMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AndreaEParkMember_lbl" xml:lang="en-US">Andrea E Park [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AndreaEParkTwoMember" xlink:label="ptgef_AndreaEParkTwoMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AndreaEParkTwoMember" xlink:to="ptgef_AndreaEParkTwoMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AndreaEParkTwoMember_lbl" xml:lang="en-US">Andrea E Park Two [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AllanShawTwoMember" xlink:label="ptgef_AllanShawTwoMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AllanShawTwoMember" xlink:to="ptgef_AllanShawTwoMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AllanShawTwoMember_lbl" xml:lang="en-US">Allan Shaw Two [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AllanShawThreeMember" xlink:label="ptgef_AllanShawThreeMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AllanShawThreeMember" xlink:to="ptgef_AllanShawThreeMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AllanShawThreeMember_lbl" xml:lang="en-US">Allan Shaw Three [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_RobertKramerTwoMember" xlink:label="ptgef_RobertKramerTwoMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_RobertKramerTwoMember" xlink:to="ptgef_RobertKramerTwoMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_RobertKramerTwoMember_lbl" xml:lang="en-US">Robert Kramer Two [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_RobertKramerThreeMember" xlink:label="ptgef_RobertKramerThreeMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_RobertKramerThreeMember" xlink:to="ptgef_RobertKramerThreeMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_RobertKramerThreeMember_lbl" xml:lang="en-US">Robert Kramer Three [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_BrianWileyTwoMember" xlink:label="ptgef_BrianWileyTwoMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_BrianWileyTwoMember" xlink:to="ptgef_BrianWileyTwoMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_BrianWileyTwoMember_lbl" xml:lang="en-US">Brian Wiley Two [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:label="ifrs-full_LevelsOfFairValueHierarchyAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_LevelsOfFairValueHierarchyAxis" xlink:to="ifrs-full_LevelsOfFairValueHierarchyAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_LevelsOfFairValueHierarchyAxis_lbl" xml:lang="en-US">Levels of fair value hierarchy [axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AmortizedCostMember" xlink:label="ptgef_AmortizedCostMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AmortizedCostMember" xlink:to="ptgef_AmortizedCostMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AmortizedCostMember_lbl" xml:lang="en-US">Amortized Cost [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_FairValueToOtherComprehensiveIncomeMember" xlink:label="ptgef_FairValueToOtherComprehensiveIncomeMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_FairValueToOtherComprehensiveIncomeMember" xlink:to="ptgef_FairValueToOtherComprehensiveIncomeMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_FairValueToOtherComprehensiveIncomeMember_lbl" xml:lang="en-US">Fair Value To Other Comprehensive Income [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_FairValueThroughProfitOrLossMember" xlink:label="ptgef_FairValueThroughProfitOrLossMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_FairValueThroughProfitOrLossMember" xlink:to="ptgef_FairValueThroughProfitOrLossMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_FairValueThroughProfitOrLossMember_lbl" xml:lang="en-US">Fair Value Through Profit Or Loss [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImpairmentOfFinancialAssetsAxis" xlink:label="ifrs-full_ImpairmentOfFinancialAssetsAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ImpairmentOfFinancialAssetsAxis" xlink:to="ifrs-full_ImpairmentOfFinancialAssetsAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ImpairmentOfFinancialAssetsAxis_lbl" xml:lang="en-US">Impairment of financial assets [axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_Level1Member" xlink:label="ptgef_Level1Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_Level1Member" xlink:to="ptgef_Level1Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_Level1Member_lbl" xml:lang="en-US">Level 1 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_Level2Member" xlink:label="ptgef_Level2Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_Level2Member" xlink:to="ptgef_Level2Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_Level2Member_lbl" xml:lang="en-US">Level 2 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_Level3Member" xlink:label="ptgef_Level3Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_Level3Member" xlink:to="ptgef_Level3Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_Level3Member_lbl" xml:lang="en-US">Level 3 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DigitalComputeMember" xlink:label="ptgef_DigitalComputeMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DigitalComputeMember" xlink:to="ptgef_DigitalComputeMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DigitalComputeMember_lbl" xml:lang="en-US">Digital Compute [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ImmunoOncologyMember" xlink:label="ptgef_ImmunoOncologyMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ImmunoOncologyMember" xlink:to="ptgef_ImmunoOncologyMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ImmunoOncologyMember_lbl" xml:lang="en-US">Immuno Oncology [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressesTable" xlink:label="dei_EntityAddressesTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressesTable" xlink:to="dei_EntityAddressesTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressesTable_lbl" xml:lang="en-US">Entity Addresses [Table]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressesLineItems" xlink:label="dei_EntityAddressesLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressesLineItems" xlink:to="dei_EntityAddressesLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressesLineItems_lbl" xml:lang="en-US">Entity Addresses [Line Items]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType" xlink:label="dei_DocumentType" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentType" xlink:to="dei_DocumentType_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentType_lbl" xml:lang="en-US">Document Type</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="dei_AmendmentFlag_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_AmendmentFlag_lbl" xml:lang="en-US">Amendment Flag</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentDescription" xlink:label="dei_AmendmentDescription" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentDescription" xlink:to="dei_AmendmentDescription_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_AmendmentDescription_lbl" xml:lang="en-US">Amendment Description</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentRegistrationStatement" xlink:label="dei_DocumentRegistrationStatement" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentRegistrationStatement" xlink:to="dei_DocumentRegistrationStatement_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentRegistrationStatement_lbl" xml:lang="en-US">Document Registration Statement</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentAnnualReport" xlink:label="dei_DocumentAnnualReport" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentAnnualReport" xlink:to="dei_DocumentAnnualReport_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentAnnualReport_lbl" xml:lang="en-US">Document Annual Report</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentQuarterlyReport" xlink:label="dei_DocumentQuarterlyReport" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentQuarterlyReport" xlink:to="dei_DocumentQuarterlyReport_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentQuarterlyReport_lbl" xml:lang="en-US">Document Quarterly Report</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentTransitionReport" xlink:label="dei_DocumentTransitionReport" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentTransitionReport" xlink:to="dei_DocumentTransitionReport_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentTransitionReport_lbl" xml:lang="en-US">Document Transition Report</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentShellCompanyReport" xlink:label="dei_DocumentShellCompanyReport" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentShellCompanyReport" xlink:to="dei_DocumentShellCompanyReport_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentShellCompanyReport_lbl" xml:lang="en-US">Document Shell Company Report</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentShellCompanyEventDate" xlink:label="dei_DocumentShellCompanyEventDate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentShellCompanyEventDate" xlink:to="dei_DocumentShellCompanyEventDate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentShellCompanyEventDate_lbl" xml:lang="en-US">Document Shell Company Event Date</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodStartDate" xlink:label="dei_DocumentPeriodStartDate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodStartDate" xlink:to="dei_DocumentPeriodStartDate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentPeriodStartDate_lbl" xml:lang="en-US">Document Period Start Date</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodEndDate" xlink:to="dei_DocumentPeriodEndDate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentPeriodEndDate_lbl" xml:lang="en-US">Document Period End Date</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalPeriodFocus" xlink:to="dei_DocumentFiscalPeriodFocus_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xml:lang="en-US">Document Fiscal Period Focus</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalYearFocus" xlink:to="dei_DocumentFiscalYearFocus_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentFiscalYearFocus_lbl" xml:lang="en-US">Document Fiscal Year Focus</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CurrentFiscalYearEndDate" xlink:to="dei_CurrentFiscalYearEndDate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xml:lang="en-US">Current Fiscal Year End Date</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber" xlink:label="dei_EntityFileNumber" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFileNumber" xlink:to="dei_EntityFileNumber_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityFileNumber_lbl" xml:lang="en-US">Entity File Number</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityRegistrantName" xlink:to="dei_EntityRegistrantName_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityRegistrantName_lbl" xml:lang="en-US">Entity Registrant Name</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCentralIndexKey" xlink:to="dei_EntityCentralIndexKey_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCentralIndexKey_lbl" xml:lang="en-US">Entity Central Index Key</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityPrimarySicNumber" xlink:label="dei_EntityPrimarySicNumber" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityPrimarySicNumber" xlink:to="dei_EntityPrimarySicNumber_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityPrimarySicNumber_lbl" xml:lang="en-US">Entity Primary SIC Number</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber" xlink:label="dei_EntityTaxIdentificationNumber" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityTaxIdentificationNumber" xlink:to="dei_EntityTaxIdentificationNumber_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xml:lang="en-US">Entity Tax Identification Number</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="dei_EntityIncorporationStateCountryCode" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityIncorporationStateCountryCode" xlink:to="dei_EntityIncorporationStateCountryCode_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xml:lang="en-US">Entity Incorporation, State or Country Code</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1" xlink:label="dei_EntityAddressAddressLine1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine1" xlink:to="dei_EntityAddressAddressLine1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressAddressLine1_lbl" xml:lang="en-US">Entity Address, Address Line One</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine2" xlink:label="dei_EntityAddressAddressLine2" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine2" xlink:to="dei_EntityAddressAddressLine2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressAddressLine2_lbl" xml:lang="en-US">Entity Address, Address Line Two</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine3" xlink:label="dei_EntityAddressAddressLine3" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine3" xlink:to="dei_EntityAddressAddressLine3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressAddressLine3_lbl" xml:lang="en-US">Entity Address, Address Line Three</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown" xlink:label="dei_EntityAddressCityOrTown" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressCityOrTown" xlink:to="dei_EntityAddressCityOrTown_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressCityOrTown_lbl" xml:lang="en-US">Entity Address, City or Town</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince" xlink:label="dei_EntityAddressStateOrProvince" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressStateOrProvince" xlink:to="dei_EntityAddressStateOrProvince_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressStateOrProvince_lbl" xml:lang="en-US">Entity Address, State or Province</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCountry" xlink:label="dei_EntityAddressCountry" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressCountry" xlink:to="dei_EntityAddressCountry_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressCountry_lbl" xml:lang="en-US">Entity Address, Country</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode" xlink:label="dei_EntityAddressPostalZipCode" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressPostalZipCode" xlink:to="dei_EntityAddressPostalZipCode_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityAddressPostalZipCode_lbl" xml:lang="en-US">Entity Address, Postal Zip Code</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CountryRegion" xlink:label="dei_CountryRegion" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CountryRegion" xlink:to="dei_CountryRegion_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_CountryRegion_lbl" xml:lang="en-US">Country Region</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode" xlink:label="dei_CityAreaCode" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CityAreaCode" xlink:to="dei_CityAreaCode_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_CityAreaCode_lbl" xml:lang="en-US">City Area Code</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber" xlink:label="dei_LocalPhoneNumber" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LocalPhoneNumber" xlink:to="dei_LocalPhoneNumber_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_LocalPhoneNumber_lbl" xml:lang="en-US">Local Phone Number</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Extension" xlink:label="dei_Extension" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_Extension" xlink:to="dei_Extension_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_Extension_lbl" xml:lang="en-US">Extension</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications" xlink:label="dei_WrittenCommunications" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_WrittenCommunications" xlink:to="dei_WrittenCommunications_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_WrittenCommunications_lbl" xml:lang="en-US">Written Communications</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial" xlink:label="dei_SolicitingMaterial" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SolicitingMaterial" xlink:to="dei_SolicitingMaterial_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_SolicitingMaterial_lbl" xml:lang="en-US">Soliciting Material</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer" xlink:label="dei_PreCommencementTenderOffer" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_PreCommencementTenderOffer" xlink:to="dei_PreCommencementTenderOffer_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_PreCommencementTenderOffer_lbl" xml:lang="en-US">Pre-commencement Tender Offer</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer" xlink:label="dei_PreCommencementIssuerTenderOffer" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_PreCommencementIssuerTenderOffer" xlink:to="dei_PreCommencementIssuerTenderOffer_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_PreCommencementIssuerTenderOffer_lbl" xml:lang="en-US">Pre-commencement Issuer Tender Offer</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle" xlink:label="dei_Security12bTitle" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_Security12bTitle" xlink:to="dei_Security12bTitle_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_Security12bTitle_lbl" xml:lang="en-US">Title of 12(b) Security</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_NoTradingSymbolFlag" xlink:label="dei_NoTradingSymbolFlag" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_NoTradingSymbolFlag" xlink:to="dei_NoTradingSymbolFlag_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_NoTradingSymbolFlag_lbl" xml:lang="en-US">No Trading Symbol Flag</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_TradingSymbol" xlink:to="dei_TradingSymbol_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_TradingSymbol_lbl" xml:lang="en-US">Trading Symbol</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName" xlink:label="dei_SecurityExchangeName" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SecurityExchangeName" xlink:to="dei_SecurityExchangeName_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_SecurityExchangeName_lbl" xml:lang="en-US">Security Exchange Name</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12gTitle" xlink:label="dei_Security12gTitle" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_Security12gTitle" xlink:to="dei_Security12gTitle_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_Security12gTitle_lbl" xml:lang="en-US">Title of 12(g) Security</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityReportingObligation" xlink:label="dei_SecurityReportingObligation" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SecurityReportingObligation" xlink:to="dei_SecurityReportingObligation_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_SecurityReportingObligation_lbl" xml:lang="en-US">Security Reporting Obligation</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AnnualInformationForm" xlink:label="dei_AnnualInformationForm" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AnnualInformationForm" xlink:to="dei_AnnualInformationForm_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_AnnualInformationForm_lbl" xml:lang="en-US">Annual Information Form</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AuditedAnnualFinancialStatements" xlink:label="dei_AuditedAnnualFinancialStatements" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AuditedAnnualFinancialStatements" xlink:to="dei_AuditedAnnualFinancialStatements_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_AuditedAnnualFinancialStatements_lbl" xml:lang="en-US">Audited Annual Financial Statements</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="dei_EntityWellKnownSeasonedIssuer" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityWellKnownSeasonedIssuer" xlink:to="dei_EntityWellKnownSeasonedIssuer_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xml:lang="en-US">Entity Well-known Seasoned Issuer</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityVoluntaryFilers" xlink:label="dei_EntityVoluntaryFilers" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityVoluntaryFilers" xlink:to="dei_EntityVoluntaryFilers_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityVoluntaryFilers_lbl" xml:lang="en-US">Entity Voluntary Filers</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCurrentReportingStatus" xlink:label="dei_EntityCurrentReportingStatus" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCurrentReportingStatus" xlink:to="dei_EntityCurrentReportingStatus_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCurrentReportingStatus_lbl" xml:lang="en-US">Entity Current Reporting Status</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityInteractiveDataCurrent" xlink:label="dei_EntityInteractiveDataCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityInteractiveDataCurrent" xlink:to="dei_EntityInteractiveDataCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xml:lang="en-US">Entity Interactive Data Current</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFilerCategory" xlink:label="dei_EntityFilerCategory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFilerCategory" xlink:to="dei_EntityFilerCategory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityFilerCategory_lbl" xml:lang="en-US">Entity Filer Category</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntitySmallBusiness" xlink:label="dei_EntitySmallBusiness" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntitySmallBusiness" xlink:to="dei_EntitySmallBusiness_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntitySmallBusiness_lbl" xml:lang="en-US">Entity Small Business</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany" xlink:label="dei_EntityEmergingGrowthCompany" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityEmergingGrowthCompany" xlink:to="dei_EntityEmergingGrowthCompany_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xml:lang="en-US">Entity Emerging Growth Company</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityExTransitionPeriod" xlink:label="dei_EntityExTransitionPeriod" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityExTransitionPeriod" xlink:to="dei_EntityExTransitionPeriod_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityExTransitionPeriod_lbl" xml:lang="en-US">Elected Not To Use the Extended Transition Period</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentAccountingStandard" xlink:label="dei_DocumentAccountingStandard" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentAccountingStandard" xlink:to="dei_DocumentAccountingStandard_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentAccountingStandard_lbl" xml:lang="en-US">Document Accounting Standard</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_OtherReportingStandardItemNumber" xlink:label="dei_OtherReportingStandardItemNumber" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_OtherReportingStandardItemNumber" xlink:to="dei_OtherReportingStandardItemNumber_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_OtherReportingStandardItemNumber_lbl" xml:lang="en-US">Other Reporting Standard Item Number</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityShellCompany" xlink:label="dei_EntityShellCompany" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityShellCompany" xlink:to="dei_EntityShellCompany_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityShellCompany_lbl" xml:lang="en-US">Entity Shell Company</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityPublicFloat" xlink:label="dei_EntityPublicFloat" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityPublicFloat" xlink:to="dei_EntityPublicFloat_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityPublicFloat_lbl" xml:lang="en-US">Entity Public Float</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityBankruptcyProceedingsReportingCurrent" xlink:label="dei_EntityBankruptcyProceedingsReportingCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityBankruptcyProceedingsReportingCurrent" xlink:to="dei_EntityBankruptcyProceedingsReportingCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityBankruptcyProceedingsReportingCurrent_lbl" xml:lang="en-US">Entity Bankruptcy Proceedings, Reporting Current</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="dei_EntityCommonStockSharesOutstanding" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCommonStockSharesOutstanding" xlink:to="dei_EntityCommonStockSharesOutstanding_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentsIncorporatedByReferenceTextBlock" xlink:label="dei_DocumentsIncorporatedByReferenceTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentsIncorporatedByReferenceTextBlock" xlink:to="dei_DocumentsIncorporatedByReferenceTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentsIncorporatedByReferenceTextBlock_lbl" xml:lang="en-US">Documents Incorporated by Reference [Text Block]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_ContactPersonnelName" xlink:label="dei_ContactPersonnelName" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_ContactPersonnelName" xlink:to="dei_ContactPersonnelName_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_ContactPersonnelName_lbl" xml:lang="en-US">Contact Personnel Name</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_IcfrAuditorAttestationFlag" xlink:label="dei_IcfrAuditorAttestationFlag" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_IcfrAuditorAttestationFlag" xlink:to="dei_IcfrAuditorAttestationFlag_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_IcfrAuditorAttestationFlag_lbl" xml:lang="en-US">ICFR Auditor Attestation Flag</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentFinStmtErrorCorrectionFlag" xlink:label="dei_DocumentFinStmtErrorCorrectionFlag" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFinStmtErrorCorrectionFlag" xlink:to="dei_DocumentFinStmtErrorCorrectionFlag_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentFinStmtErrorCorrectionFlag_lbl" xml:lang="en-US">Document Financial Statement Error Correction [Flag]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AuditorFirmId" xlink:label="dei_AuditorFirmId" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AuditorFirmId" xlink:to="dei_AuditorFirmId_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_AuditorFirmId_lbl" xml:lang="en-US">Auditor Firm ID</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AuditorName" xlink:label="dei_AuditorName" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AuditorName" xlink:to="dei_AuditorName_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_AuditorName_lbl" xml:lang="en-US">Auditor Name</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AuditorLocation" xlink:label="dei_AuditorLocation" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AuditorLocation" xlink:to="dei_AuditorLocation_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_AuditorLocation_lbl" xml:lang="en-US">Auditor Location</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfFinancialPositionAbstract" xlink:label="ifrs-full_StatementOfFinancialPositionAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_StatementOfFinancialPositionAbstract" xlink:to="ifrs-full_StatementOfFinancialPositionAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_StatementOfFinancialPositionAbstract_lbl" xml:lang="en-US">Statement of financial position [abstract]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AssetsAbstract" xlink:label="ifrs-full_AssetsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AssetsAbstract" xlink:to="ifrs-full_AssetsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AssetsAbstract_lbl" xml:lang="en-US">Assets</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAssetsAbstract" xlink:label="ifrs-full_CurrentAssetsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentAssetsAbstract" xlink:to="ifrs-full_CurrentAssetsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentAssetsAbstract_lbl" xml:lang="en-US">Current assets</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashAndCashEquivalents" xlink:label="ifrs-full_CashAndCashEquivalents" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashAndCashEquivalents" xlink:to="ifrs-full_CashAndCashEquivalents_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashAndCashEquivalents_lbl" xml:lang="en-US">Cash and cash equivalents</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RestrictedCashAndCashEquivalents" xlink:label="ifrs-full_RestrictedCashAndCashEquivalents" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RestrictedCashAndCashEquivalents" xlink:to="ifrs-full_RestrictedCashAndCashEquivalents_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RestrictedCashAndCashEquivalents_lbl" xml:lang="en-US">Restricted cash</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AccountsReceivable" xlink:label="ptgef_AccountsReceivable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AccountsReceivable" xlink:to="ptgef_AccountsReceivable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AccountsReceivable_lbl" xml:lang="en-US">Accounts receivable</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_Stablecoin" xlink:label="ptgef_Stablecoin" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_Stablecoin" xlink:to="ptgef_Stablecoin_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_Stablecoin_lbl" xml:lang="en-US">Stablecoin</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DigitalAssetsAtFairValueTonCurrent" xlink:label="ptgef_DigitalAssetsAtFairValueTonCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DigitalAssetsAtFairValueTonCurrent" xlink:to="ptgef_DigitalAssetsAtFairValueTonCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DigitalAssetsAtFairValueTonCurrent_lbl" xml:lang="en-US">Digital assets at fair value, TON, current</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentReceivables" xlink:label="ifrs-full_TradeAndOtherCurrentReceivables" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeAndOtherCurrentReceivables" xlink:to="ifrs-full_TradeAndOtherCurrentReceivables_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeAndOtherCurrentReceivables_lbl" xml:lang="en-US">Prepaid expenses and other receivables</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAssets" xlink:label="ifrs-full_CurrentAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentAssets" xlink:to="ifrs-full_CurrentAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CurrentAssets_lbl" xml:lang="en-US">Total current assets</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentAssetsAbstract" xlink:label="ifrs-full_NoncurrentAssetsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentAssetsAbstract" xlink:to="ifrs-full_NoncurrentAssetsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentAssetsAbstract_lbl" xml:lang="en-US">Non-current assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DigitalAssetsAtFairValueTonNetOfCurrentPortion" xlink:label="ptgef_DigitalAssetsAtFairValueTonNetOfCurrentPortion" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DigitalAssetsAtFairValueTonNetOfCurrentPortion" xlink:to="ptgef_DigitalAssetsAtFairValueTonNetOfCurrentPortion_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DigitalAssetsAtFairValueTonNetOfCurrentPortion_lbl" xml:lang="en-US">Digital assets at fair value, TON, net of current portion</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RightofuseAssets" xlink:label="ifrs-full_RightofuseAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RightofuseAssets" xlink:to="ifrs-full_RightofuseAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RightofuseAssets_lbl" xml:lang="en-US">Right-of-use asset</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipment" xlink:label="ifrs-full_PropertyPlantAndEquipment" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PropertyPlantAndEquipment" xlink:to="ifrs-full_PropertyPlantAndEquipment_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PropertyPlantAndEquipment_lbl" xml:lang="en-US">Property, plant, and equipment, net</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_EquipmentDeposits" xlink:label="ptgef_EquipmentDeposits" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_EquipmentDeposits" xlink:to="ptgef_EquipmentDeposits_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_EquipmentDeposits_lbl" xml:lang="en-US">Equipment deposits</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherAssets" xlink:label="ifrs-full_OtherAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherAssets" xlink:to="ifrs-full_OtherAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherAssets_lbl" xml:lang="en-US">Other assets</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentAssets" xlink:label="ifrs-full_NoncurrentAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentAssets" xlink:to="ifrs-full_NoncurrentAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_NoncurrentAssets_lbl" xml:lang="en-US">Total non-current assets</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Assets" xlink:label="ifrs-full_Assets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_Assets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_Assets_lbl" xml:lang="en-US">Total assets</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAndLiabilitiesAbstract" xlink:label="ifrs-full_EquityAndLiabilitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAndLiabilitiesAbstract" xlink:to="ifrs-full_EquityAndLiabilitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityAndLiabilitiesAbstract_lbl" xml:lang="en-US">Liabilities and Equity</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentLiabilitiesAbstract" xlink:label="ifrs-full_CurrentLiabilitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentLiabilitiesAbstract" xlink:to="ifrs-full_CurrentLiabilitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentLiabilitiesAbstract_lbl" xml:lang="en-US">Current liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TradeAndOtherCurrentPayables" xlink:label="ifrs-full_TradeAndOtherCurrentPayables" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TradeAndOtherCurrentPayables" xlink:to="ifrs-full_TradeAndOtherCurrentPayables_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TradeAndOtherCurrentPayables_lbl" xml:lang="en-US">Accounts payable and accrued liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_TonPayableToSettlePutRightsExercised" xlink:label="ptgef_TonPayableToSettlePutRightsExercised" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TonPayableToSettlePutRightsExercised" xlink:to="ptgef_TonPayableToSettlePutRightsExercised_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_TonPayableToSettlePutRightsExercised_lbl" xml:lang="en-US">TON payable to settle put rights exercised</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentLeaseLiabilities" xlink:label="ifrs-full_CurrentLeaseLiabilities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentLeaseLiabilities" xlink:to="ifrs-full_CurrentLeaseLiabilities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentLeaseLiabilities_lbl" xml:lang="en-US">Lease liability - current</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PutRightLiability" xlink:label="ptgef_PutRightLiability" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PutRightLiability" xlink:to="ptgef_PutRightLiability_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PutRightLiability_lbl" xml:lang="en-US">Put right liability</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentLiabilities" xlink:label="ifrs-full_CurrentLiabilities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentLiabilities" xlink:to="ifrs-full_CurrentLiabilities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CurrentLiabilities_lbl" xml:lang="en-US">Total current liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentLiabilitiesAbstract" xlink:label="ifrs-full_NoncurrentLiabilitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentLiabilitiesAbstract" xlink:to="ifrs-full_NoncurrentLiabilitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentLiabilitiesAbstract_lbl" xml:lang="en-US">Non-current liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentLeaseLiabilities" xlink:label="ifrs-full_NoncurrentLeaseLiabilities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentLeaseLiabilities" xlink:to="ifrs-full_NoncurrentLeaseLiabilities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentLeaseLiabilities_lbl" xml:lang="en-US">Lease liability - non-current</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentWarrantLiability" xlink:label="ifrs-full_NoncurrentWarrantLiability" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentWarrantLiability" xlink:to="ifrs-full_NoncurrentWarrantLiability_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentWarrantLiability_lbl" xml:lang="en-US">Warrant liability</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncurrentLiabilities" xlink:label="ifrs-full_NoncurrentLiabilities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentLiabilities" xlink:to="ifrs-full_NoncurrentLiabilities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_NoncurrentLiabilities_lbl" xml:lang="en-US">Total non-current liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Liabilities" xlink:label="ifrs-full_Liabilities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Liabilities" xlink:to="ifrs-full_Liabilities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_Liabilities_lbl" xml:lang="en-US">Total liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_CommitmentsAndContingentLiabilities" xlink:label="ptgef_CommitmentsAndContingentLiabilities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_CommitmentsAndContingentLiabilities" xlink:to="ptgef_CommitmentsAndContingentLiabilities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_CommitmentsAndContingentLiabilities_lbl" xml:lang="en-US">Commitments and Contingent Liabilities (Note 20)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAbstract" xlink:label="ifrs-full_EquityAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAbstract" xlink:to="ifrs-full_EquityAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityAbstract_lbl" xml:lang="en-US">Shareholders&#8217; Equity</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IssuedCapital" xlink:label="ifrs-full_IssuedCapital" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IssuedCapital" xlink:to="ifrs-full_IssuedCapital_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IssuedCapital_lbl" xml:lang="en-US">Capital stock</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherReserves" xlink:label="ifrs-full_OtherReserves" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherReserves" xlink:to="ifrs-full_OtherReserves_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherReserves_lbl" xml:lang="en-US">Stock option reserve</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_RetainedEarnings" xlink:label="ifrs-full_RetainedEarnings" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_RetainedEarnings" xlink:to="ifrs-full_RetainedEarnings_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_RetainedEarnings_lbl" xml:lang="en-US">Accumulated deficit</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TreasuryShares" xlink:label="ifrs-full_TreasuryShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TreasuryShares" xlink:to="ifrs-full_TreasuryShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_TreasuryShares_lbl" xml:lang="en-US">Treasury stock</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAttributableToOwnersOfParent" xlink:label="ifrs-full_EquityAttributableToOwnersOfParent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="ifrs-full_EquityAttributableToOwnersOfParent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_EquityAttributableToOwnersOfParent_lbl" xml:lang="en-US">Total equity attributable to owners of the Company</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NoncontrollingInterests" xlink:label="ifrs-full_NoncontrollingInterests" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncontrollingInterests" xlink:to="ifrs-full_NoncontrollingInterests_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncontrollingInterests_lbl" xml:lang="en-US">Non-controlling interest</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Equity" xlink:label="ifrs-full_Equity" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_Equity_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_Equity_lbl" xml:lang="en-US">Total equity</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EquityAndLiabilities" xlink:label="ifrs-full_EquityAndLiabilities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAndLiabilities" xlink:to="ifrs-full_EquityAndLiabilities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_EquityAndLiabilities_lbl" xml:lang="en-US">Total liabilities and equity</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeStatementAbstract" xlink:label="ifrs-full_IncomeStatementAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncomeStatementAbstract" xlink:to="ifrs-full_IncomeStatementAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncomeStatementAbstract_lbl" xml:lang="en-US">Profit or loss [abstract]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Revenue" xlink:label="ifrs-full_Revenue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Revenue" xlink:to="ifrs-full_Revenue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Revenue_lbl" xml:lang="en-US">Revenues</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAbstract" xlink:label="ifrs-full_ProfitLossAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossAbstract" xlink:to="ifrs-full_ProfitLossAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossAbstract_lbl" xml:lang="en-US">Expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ResearchAndDevelopmentExpense" xlink:label="ifrs-full_ResearchAndDevelopmentExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ResearchAndDevelopmentExpense" xlink:to="ifrs-full_ResearchAndDevelopmentExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ResearchAndDevelopmentExpense_lbl" xml:lang="en-US">Research and development</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GeneralAndAdministrativeExpense" xlink:label="ifrs-full_GeneralAndAdministrativeExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GeneralAndAdministrativeExpense" xlink:to="ifrs-full_GeneralAndAdministrativeExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GeneralAndAdministrativeExpense_lbl" xml:lang="en-US">General and administrative expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationExpense" xlink:label="ifrs-full_DepreciationExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DepreciationExpense" xlink:to="ifrs-full_DepreciationExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DepreciationExpense_lbl" xml:lang="en-US">Depreciation and amortization expense</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossFromOperatingActivities" xlink:label="ifrs-full_ProfitLossFromOperatingActivities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossFromOperatingActivities" xlink:to="ifrs-full_ProfitLossFromOperatingActivities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_ProfitLossFromOperatingActivities_lbl" xml:lang="en-US">Loss from operations</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_GainsLossesOnChangeInFairValueOfWarrants" xlink:label="ptgef_GainsLossesOnChangeInFairValueOfWarrants" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_GainsLossesOnChangeInFairValueOfWarrants" xlink:to="ptgef_GainsLossesOnChangeInFairValueOfWarrants_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_GainsLossesOnChangeInFairValueOfWarrants_lbl" xml:lang="en-US">Change in fair value of warrant liability</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ChangeInFairValueOfDeferredPurchasePricePayableTarusAndDeferredObligationIoxMilestone" xlink:label="ptgef_ChangeInFairValueOfDeferredPurchasePricePayableTarusAndDeferredObligationIoxMilestone" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ChangeInFairValueOfDeferredPurchasePricePayableTarusAndDeferredObligationIoxMilestone" xlink:to="ptgef_ChangeInFairValueOfDeferredPurchasePricePayableTarusAndDeferredObligationIoxMilestone_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ChangeInFairValueOfDeferredPurchasePricePayableTarusAndDeferredObligationIoxMilestone_lbl" xml:lang="en-US">Change in fair value of deferred purchase price payable - Tarus and deferred obligation - iOx milestone</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ChangeInFairValueOfPutRightsNetOfRedemptions" xlink:label="ptgef_ChangeInFairValueOfPutRightsNetOfRedemptions" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ChangeInFairValueOfPutRightsNetOfRedemptions" xlink:to="ptgef_ChangeInFairValueOfPutRightsNetOfRedemptions_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_ChangeInFairValueOfPutRightsNetOfRedemptions_lbl" xml:lang="en-US">Change in fair value of put rights, net of redemptions</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LossOnRevaluationOfDigitalAssets" xlink:label="ptgef_LossOnRevaluationOfDigitalAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LossOnRevaluationOfDigitalAssets" xlink:to="ptgef_LossOnRevaluationOfDigitalAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_LossOnRevaluationOfDigitalAssets_lbl" xml:lang="en-US">Loss on revaluation of digital assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LossOnRevaluationOfDigitalAssetReceivables" xlink:label="ptgef_LossOnRevaluationOfDigitalAssetReceivables" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LossOnRevaluationOfDigitalAssetReceivables" xlink:to="ptgef_LossOnRevaluationOfDigitalAssetReceivables_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_LossOnRevaluationOfDigitalAssetReceivables_lbl" xml:lang="en-US">Loss on revaluation of digital asset receivables</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_RealizedLossOnSaleOfDigitalAssets" xlink:label="ptgef_RealizedLossOnSaleOfDigitalAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_RealizedLossOnSaleOfDigitalAssets" xlink:to="ptgef_RealizedLossOnSaleOfDigitalAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_RealizedLossOnSaleOfDigitalAssets_lbl" xml:lang="en-US">Realized loss on sale of digital assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_RealizedLossOnNovationOfDigitalAssetsToInvestor" xlink:label="ptgef_RealizedLossOnNovationOfDigitalAssetsToInvestor" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_RealizedLossOnNovationOfDigitalAssetsToInvestor" xlink:to="ptgef_RealizedLossOnNovationOfDigitalAssetsToInvestor_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_RealizedLossOnNovationOfDigitalAssetsToInvestor_lbl" xml:lang="en-US">Realized loss on novation of digital assets to investor</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_GainOnSettlementWithParexelIoxCro" xlink:label="ptgef_GainOnSettlementWithParexelIoxCro" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_GainOnSettlementWithParexelIoxCro" xlink:to="ptgef_GainOnSettlementWithParexelIoxCro_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_GainOnSettlementWithParexelIoxCro_lbl" xml:lang="en-US">Gain on settlement with Parexel - iOx CRO</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LossOnRegisteredDirectOffering" xlink:label="ptgef_LossOnRegisteredDirectOffering" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LossOnRegisteredDirectOffering" xlink:to="ptgef_LossOnRegisteredDirectOffering_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_LossOnRegisteredDirectOffering_lbl" xml:lang="en-US">Loss on Registered Direct Offering</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_OfferingCosts" xlink:label="ptgef_OfferingCosts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_OfferingCosts" xlink:to="ptgef_OfferingCosts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_OfferingCosts_lbl" xml:lang="en-US">Offering costs</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ImpairmentLossIoxIprd" xlink:label="ptgef_ImpairmentLossIoxIprd" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ImpairmentLossIoxIprd" xlink:to="ptgef_ImpairmentLossIoxIprd_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ImpairmentLossIoxIprd_lbl" xml:lang="en-US">Impairment loss - iOx IPR&amp;D</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ImpairmentLossTarusIprd" xlink:label="ptgef_ImpairmentLossTarusIprd" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ImpairmentLossTarusIprd" xlink:to="ptgef_ImpairmentLossTarusIprd_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ImpairmentLossTarusIprd_lbl" xml:lang="en-US">Impairment loss - Tarus IPR&amp;D</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ImpairmentLossStimunity" xlink:label="ptgef_ImpairmentLossStimunity" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ImpairmentLossStimunity" xlink:to="ptgef_ImpairmentLossStimunity_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ImpairmentLossStimunity_lbl" xml:lang="en-US">Impairment loss - Stimunity</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ImpairmentLossSaugatuck" xlink:label="ptgef_ImpairmentLossSaugatuck" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ImpairmentLossSaugatuck" xlink:to="ptgef_ImpairmentLossSaugatuck_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ImpairmentLossSaugatuck_lbl" xml:lang="en-US">Impairment loss - Saugatuck</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_CommitmentFeeUnderCommittedPurchaseAgreement" xlink:label="ptgef_CommitmentFeeUnderCommittedPurchaseAgreement" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_CommitmentFeeUnderCommittedPurchaseAgreement" xlink:to="ptgef_CommitmentFeeUnderCommittedPurchaseAgreement_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_CommitmentFeeUnderCommittedPurchaseAgreement_lbl" xml:lang="en-US">Commitment fee under Committed Purchase Agreement</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_GainOnDissolutionOfInvestmentInAssociate" xlink:label="ptgef_GainOnDissolutionOfInvestmentInAssociate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_GainOnDissolutionOfInvestmentInAssociate" xlink:to="ptgef_GainOnDissolutionOfInvestmentInAssociate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_GainOnDissolutionOfInvestmentInAssociate_lbl" xml:lang="en-US">Gain on dissolution of investment in associate</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_GainFromSaleOfInvestmentInPublicCompany" xlink:label="ptgef_GainFromSaleOfInvestmentInPublicCompany" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_GainFromSaleOfInvestmentInPublicCompany" xlink:to="ptgef_GainFromSaleOfInvestmentInPublicCompany_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_GainFromSaleOfInvestmentInPublicCompany_lbl" xml:lang="en-US">Gain from sale of investment in public company</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ImpairmentLossInvestmentInCompedica" xlink:label="ptgef_ImpairmentLossInvestmentInCompedica" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ImpairmentLossInvestmentInCompedica" xlink:to="ptgef_ImpairmentLossInvestmentInCompedica_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_ImpairmentLossInvestmentInCompedica_lbl" xml:lang="en-US">Impairment loss - investment in Compedica</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LossOnRevaluationOfInvestmentInCompedica" xlink:label="ptgef_LossOnRevaluationOfInvestmentInCompedica" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LossOnRevaluationOfInvestmentInCompedica" xlink:to="ptgef_LossOnRevaluationOfInvestmentInCompedica_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_LossOnRevaluationOfInvestmentInCompedica_lbl" xml:lang="en-US">Loss on revaluation of investment in Compedica</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ChangeInFairValueOfTonPayableToSettlePutRightsExercised" xlink:label="ptgef_ChangeInFairValueOfTonPayableToSettlePutRightsExercised" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ChangeInFairValueOfTonPayableToSettlePutRightsExercised" xlink:to="ptgef_ChangeInFairValueOfTonPayableToSettlePutRightsExercised_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ChangeInFairValueOfTonPayableToSettlePutRightsExercised_lbl" xml:lang="en-US">Change in fair value of TON payable to settle put rights exercised</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_GainOnSettlementOfTonPayable" xlink:label="ptgef_GainOnSettlementOfTonPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_GainOnSettlementOfTonPayable" xlink:to="ptgef_GainOnSettlementOfTonPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_GainOnSettlementOfTonPayable_lbl" xml:lang="en-US">Gain on settlement of TON payable</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LossOnSettlementOfPutRightLiability" xlink:label="ptgef_LossOnSettlementOfPutRightLiability" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LossOnSettlementOfPutRightLiability" xlink:to="ptgef_LossOnSettlementOfPutRightLiability_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_LossOnSettlementOfPutRightLiability_lbl" xml:lang="en-US">Loss on settlement of put right liability</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:label="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss" xlink:to="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss_lbl" xml:lang="en-US">Foreign exchange transaction (loss) gain</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DepreciationAndAmortisationExpense" xlink:label="ifrs-full_DepreciationAndAmortisationExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DepreciationAndAmortisationExpense" xlink:to="ifrs-full_DepreciationAndAmortisationExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DepreciationAndAmortisationExpense_lbl" xml:lang="en-US">Interest (expense) income, net</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_GainOnExtinguishmentOfDebt" xlink:label="ptgef_GainOnExtinguishmentOfDebt" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_GainOnExtinguishmentOfDebt" xlink:to="ptgef_GainOnExtinguishmentOfDebt_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_GainOnExtinguishmentOfDebt_lbl" xml:lang="en-US">Gain on extinguishment of debt</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ShareOfLossesFromEquityMethodInvestment" xlink:label="ptgef_ShareOfLossesFromEquityMethodInvestment" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ShareOfLossesFromEquityMethodInvestment" xlink:to="ptgef_ShareOfLossesFromEquityMethodInvestment_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_ShareOfLossesFromEquityMethodInvestment_lbl" xml:lang="en-US">Share of losses from equity method investment</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossBeforeTax" xlink:label="ifrs-full_ProfitLossBeforeTax" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="ifrs-full_ProfitLossBeforeTax_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_ProfitLossBeforeTax_lbl" xml:lang="en-US">Loss before benefit for income taxes</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="ifrs-full_IncomeTaxExpenseContinuingOperations_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations_lbl" xml:lang="en-US">Income tax benefit</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLoss" xlink:label="ifrs-full_ProfitLoss" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_ProfitLoss_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_ProfitLoss_lbl" xml:lang="en-US">Net loss</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherComprehensiveIncomeAbstract" xlink:label="ifrs-full_OtherComprehensiveIncomeAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherComprehensiveIncomeAbstract" xlink:to="ifrs-full_OtherComprehensiveIncomeAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherComprehensiveIncomeAbstract_lbl" xml:lang="en-US">Other comprehensive loss</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_NetUnrealizedLossOnInvestments" xlink:label="ptgef_NetUnrealizedLossOnInvestments" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NetUnrealizedLossOnInvestments" xlink:to="ptgef_NetUnrealizedLossOnInvestments_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_NetUnrealizedLossOnInvestments_lbl" xml:lang="en-US">Net unrealized loss on investments</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncome" xlink:label="ifrs-full_ComprehensiveIncome" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComprehensiveIncome" xlink:to="ifrs-full_ComprehensiveIncome_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_ComprehensiveIncome_lbl" xml:lang="en-US">Total comprehensive loss for period</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAttributableToAbstract" xlink:label="ifrs-full_ProfitLossAttributableToAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossAttributableToAbstract" xlink:to="ifrs-full_ProfitLossAttributableToAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossAttributableToAbstract_lbl" xml:lang="en-US">Net loss attributable to:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:label="ifrs-full_ProfitLossAttributableToOwnersOfParent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossAttributableToOwnersOfParent" xlink:to="ifrs-full_ProfitLossAttributableToOwnersOfParent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossAttributableToOwnersOfParent_lbl" xml:lang="en-US">Owners of the Company</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:label="ifrs-full_ProfitLossAttributableToNoncontrollingInterests" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:to="ifrs-full_ProfitLossAttributableToNoncontrollingInterests_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ProfitLossAttributableToNoncontrollingInterests_lbl" xml:lang="en-US">Non-controlling interest</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComprehensiveIncomeAttributableToAbstract" xlink:to="ifrs-full_ComprehensiveIncomeAttributableToAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToAbstract_lbl" xml:lang="en-US">Comprehensive loss attributable to:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:to="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_lbl" xml:lang="en-US">Owners of the Company</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:to="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_lbl" xml:lang="en-US">Non-controlling interest</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EarningsPerShareAbstract" xlink:label="ifrs-full_EarningsPerShareAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EarningsPerShareAbstract" xlink:to="ifrs-full_EarningsPerShareAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EarningsPerShareAbstract_lbl" xml:lang="en-US">Loss per share</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_BasicEarningsLossPerShare" xlink:label="ifrs-full_BasicEarningsLossPerShare" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_BasicEarningsLossPerShare" xlink:to="ifrs-full_BasicEarningsLossPerShare_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_BasicEarningsLossPerShare_lbl" xml:lang="en-US">Loss per share, Basic</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DilutedEarningsLossPerShare" xlink:label="ifrs-full_DilutedEarningsLossPerShare" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DilutedEarningsLossPerShare" xlink:to="ifrs-full_DilutedEarningsLossPerShare_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DilutedEarningsLossPerShare_lbl" xml:lang="en-US">Loss per share, Diluted</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract" xlink:label="ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract" xlink:to="ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract_lbl" xml:lang="en-US">Weighted average shares outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageShares" xlink:label="ifrs-full_WeightedAverageShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageShares" xlink:to="ifrs-full_WeightedAverageShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageShares_lbl" xml:lang="en-US">Weighted average shares outstanding, Basic</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustedWeightedAverageShares" xlink:label="ifrs-full_AdjustedWeightedAverageShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustedWeightedAverageShares" xlink:to="ifrs-full_AdjustedWeightedAverageShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustedWeightedAverageShares_lbl" xml:lang="en-US">Weighted average shares outstanding, Diluted</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_StatementOfChangesInEquityTable" xlink:label="ifrs-full_StatementOfChangesInEquityTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_StatementOfChangesInEquityTable" xlink:to="ifrs-full_StatementOfChangesInEquityTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_StatementOfChangesInEquityTable_lbl" xml:lang="en-US">Statement of changes in equity [table]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_IfrsStatementLineItems" xlink:label="ptgef_IfrsStatementLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_IfrsStatementLineItems" xlink:to="ptgef_IfrsStatementLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_IfrsStatementLineItems_lbl" xml:lang="en-US">IfrsStatementLineItems [Line Items]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_Equity_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_Equity_2_lbl" xml:lang="en-US">Beginning balance, value</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfSharesOutstanding" xlink:label="ifrs-full_NumberOfSharesOutstanding" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfSharesOutstanding" xlink:to="ifrs-full_NumberOfSharesOutstanding_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_NumberOfSharesOutstanding_lbl" xml:lang="en-US">Begnning balance, shares</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_BalanceApril12022PresplitShares" xlink:label="ptgef_BalanceApril12022PresplitShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_BalanceApril12022PresplitShares" xlink:to="ptgef_BalanceApril12022PresplitShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_BalanceApril12022PresplitShares_lbl" xml:lang="en-US">Balance, April 1, 2022 (Pre-Split), shares</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:label="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions" xlink:to="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions_lbl" xml:lang="en-US">Share-based compensation expense</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharesIssuedUnderRegisteredDirectOffering" xlink:label="ptgef_SharesIssuedUnderRegisteredDirectOffering" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharesIssuedUnderRegisteredDirectOffering" xlink:to="ptgef_SharesIssuedUnderRegisteredDirectOffering_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SharesIssuedUnderRegisteredDirectOffering_lbl" xml:lang="en-US">Shares issued under Registered Direct Offering</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharesIssuedUnderRegisteredDirectOfferingShares" xlink:label="ptgef_SharesIssuedUnderRegisteredDirectOfferingShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharesIssuedUnderRegisteredDirectOfferingShares" xlink:to="ptgef_SharesIssuedUnderRegisteredDirectOfferingShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SharesIssuedUnderRegisteredDirectOfferingShares_lbl" xml:lang="en-US">Shares issued under Registered Direct Offering, shares</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharesIssuedRelatedToAtmAgreementNetOfShareIssuanceCosts" xlink:label="ptgef_SharesIssuedRelatedToAtmAgreementNetOfShareIssuanceCosts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharesIssuedRelatedToAtmAgreementNetOfShareIssuanceCosts" xlink:to="ptgef_SharesIssuedRelatedToAtmAgreementNetOfShareIssuanceCosts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SharesIssuedRelatedToAtmAgreementNetOfShareIssuanceCosts_lbl" xml:lang="en-US">Shares issued related to the ATM agreement, net of share issuance costs</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharesIssuedRelatedToAtmAgreementNetOfShareIssuanceCostsShares" xlink:label="ptgef_SharesIssuedRelatedToAtmAgreementNetOfShareIssuanceCostsShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharesIssuedRelatedToAtmAgreementNetOfShareIssuanceCostsShares" xlink:to="ptgef_SharesIssuedRelatedToAtmAgreementNetOfShareIssuanceCostsShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SharesIssuedRelatedToAtmAgreementNetOfShareIssuanceCostsShares_lbl" xml:lang="en-US">Shares issued related to the ATM agreement, net of share issuance costs , shares</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharesIssuedOrAccruedForServices" xlink:label="ptgef_SharesIssuedOrAccruedForServices" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharesIssuedOrAccruedForServices" xlink:to="ptgef_SharesIssuedOrAccruedForServices_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SharesIssuedOrAccruedForServices_lbl" xml:lang="en-US">Shares issued or accrued for services</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharesIssuedOrAccruedForServicesShares" xlink:label="ptgef_SharesIssuedOrAccruedForServicesShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharesIssuedOrAccruedForServicesShares" xlink:to="ptgef_SharesIssuedOrAccruedForServicesShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SharesIssuedOrAccruedForServicesShares_lbl" xml:lang="en-US">Shares issued or accrued for services, shares</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharesIssuedPursuantToDistributionOfRestrictedStockUnits" xlink:label="ptgef_SharesIssuedPursuantToDistributionOfRestrictedStockUnits" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharesIssuedPursuantToDistributionOfRestrictedStockUnits" xlink:to="ptgef_SharesIssuedPursuantToDistributionOfRestrictedStockUnits_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SharesIssuedPursuantToDistributionOfRestrictedStockUnits_lbl" xml:lang="en-US">Shares issued pursuant to distribution of restricted stock units</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharesIssuedPursuantToDistributionOfRestrictedStockUnitsShares" xlink:label="ptgef_SharesIssuedPursuantToDistributionOfRestrictedStockUnitsShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharesIssuedPursuantToDistributionOfRestrictedStockUnitsShares" xlink:to="ptgef_SharesIssuedPursuantToDistributionOfRestrictedStockUnitsShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SharesIssuedPursuantToDistributionOfRestrictedStockUnitsShares_lbl" xml:lang="en-US">Shares issued pursuant to distribution of restricted stock units, shares</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DerecognitionOfInvestmentInPublicCompany" xlink:label="ptgef_DerecognitionOfInvestmentInPublicCompany" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DerecognitionOfInvestmentInPublicCompany" xlink:to="ptgef_DerecognitionOfInvestmentInPublicCompany_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DerecognitionOfInvestmentInPublicCompany_lbl" xml:lang="en-US">Derecognition of investment in public company</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProfitLossFromContinuingOperations" xlink:label="ifrs-full_ProfitLossFromContinuingOperations" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossFromContinuingOperations" xlink:to="ifrs-full_ProfitLossFromContinuingOperations_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossFromContinuingOperations_lbl" xml:lang="en-US">Net loss for the year</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_CorrectionOfPriorPeriodOverstatedSharebasedCompensationExpense" xlink:label="ptgef_CorrectionOfPriorPeriodOverstatedSharebasedCompensationExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_CorrectionOfPriorPeriodOverstatedSharebasedCompensationExpense" xlink:to="ptgef_CorrectionOfPriorPeriodOverstatedSharebasedCompensationExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_CorrectionOfPriorPeriodOverstatedSharebasedCompensationExpense_lbl" xml:lang="en-US">Correction of prior period overstated share-based compensation expense</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharesIssuedUnderPrivatePlacementNetOfShareIssuanceCosts" xlink:label="ptgef_SharesIssuedUnderPrivatePlacementNetOfShareIssuanceCosts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharesIssuedUnderPrivatePlacementNetOfShareIssuanceCosts" xlink:to="ptgef_SharesIssuedUnderPrivatePlacementNetOfShareIssuanceCosts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SharesIssuedUnderPrivatePlacementNetOfShareIssuanceCosts_lbl" xml:lang="en-US">Shares issued under private placement, net of share issuance costs</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharesIssuedUnderPrivatePlacementNetOfShareIssuanceCostsShares" xlink:label="ptgef_SharesIssuedUnderPrivatePlacementNetOfShareIssuanceCostsShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharesIssuedUnderPrivatePlacementNetOfShareIssuanceCostsShares" xlink:to="ptgef_SharesIssuedUnderPrivatePlacementNetOfShareIssuanceCostsShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SharesIssuedUnderPrivatePlacementNetOfShareIssuanceCostsShares_lbl" xml:lang="en-US">Shares issued under private placement, net of share issuance costs, shares</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PrefundedWarrantsExercised" xlink:label="ptgef_PrefundedWarrantsExercised" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PrefundedWarrantsExercised" xlink:to="ptgef_PrefundedWarrantsExercised_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PrefundedWarrantsExercised_lbl" xml:lang="en-US">Pre-Funded warrants exercised</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PrefundedWarrantsExercisedShares" xlink:label="ptgef_PrefundedWarrantsExercisedShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PrefundedWarrantsExercisedShares" xlink:to="ptgef_PrefundedWarrantsExercisedShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PrefundedWarrantsExercisedShares_lbl" xml:lang="en-US">Pre-Funded warrants exercised, shares</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AdditionalRoundUpSharesIssuedForFractionalSharesInConnectionWith1for20ReverseStockSplit" xlink:label="ptgef_AdditionalRoundUpSharesIssuedForFractionalSharesInConnectionWith1for20ReverseStockSplit" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AdditionalRoundUpSharesIssuedForFractionalSharesInConnectionWith1for20ReverseStockSplit" xlink:to="ptgef_AdditionalRoundUpSharesIssuedForFractionalSharesInConnectionWith1for20ReverseStockSplit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AdditionalRoundUpSharesIssuedForFractionalSharesInConnectionWith1for20ReverseStockSplit_lbl" xml:lang="en-US">Additional round up shares issued for fractional shares in connection with 1-for-20 reverse share split</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AdditionalRoundUpSharesIssuedForFractionalSharesInConnectionWith1for20ReverseStockSplitShares" xlink:label="ptgef_AdditionalRoundUpSharesIssuedForFractionalSharesInConnectionWith1for20ReverseStockSplitShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AdditionalRoundUpSharesIssuedForFractionalSharesInConnectionWith1for20ReverseStockSplitShares" xlink:to="ptgef_AdditionalRoundUpSharesIssuedForFractionalSharesInConnectionWith1for20ReverseStockSplitShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AdditionalRoundUpSharesIssuedForFractionalSharesInConnectionWith1for20ReverseStockSplitShares_lbl" xml:lang="en-US">Additional round up shares issued for fractional shares in connection with 1-for-20 reverse stock split, shares</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharesIssuedForAccruedBonuses" xlink:label="ptgef_SharesIssuedForAccruedBonuses" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharesIssuedForAccruedBonuses" xlink:to="ptgef_SharesIssuedForAccruedBonuses_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SharesIssuedForAccruedBonuses_lbl" xml:lang="en-US">Shares issued for accrued bonuses</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharesIssuedAccruedForBonusesShares" xlink:label="ptgef_SharesIssuedAccruedForBonusesShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharesIssuedAccruedForBonusesShares" xlink:to="ptgef_SharesIssuedAccruedForBonusesShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SharesIssuedAccruedForBonusesShares_lbl" xml:lang="en-US">Shares issued accrued for bonuses, shares</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharesIssuedUnderPrivatePlacementNetOfShareIssuanceCostsAndPutRights" xlink:label="ptgef_SharesIssuedUnderPrivatePlacementNetOfShareIssuanceCostsAndPutRights" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharesIssuedUnderPrivatePlacementNetOfShareIssuanceCostsAndPutRights" xlink:to="ptgef_SharesIssuedUnderPrivatePlacementNetOfShareIssuanceCostsAndPutRights_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SharesIssuedUnderPrivatePlacementNetOfShareIssuanceCostsAndPutRights_lbl" xml:lang="en-US">Shares issued under private placement, net of share issuance costs and put rights</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharesIssuedUnderPrivatePlacementNetOfShareIssuanceCostsAndPutRightsShares" xlink:label="ptgef_SharesIssuedUnderPrivatePlacementNetOfShareIssuanceCostsAndPutRightsShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharesIssuedUnderPrivatePlacementNetOfShareIssuanceCostsAndPutRightsShares" xlink:to="ptgef_SharesIssuedUnderPrivatePlacementNetOfShareIssuanceCostsAndPutRightsShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SharesIssuedUnderPrivatePlacementNetOfShareIssuanceCostsAndPutRightsShares_lbl" xml:lang="en-US">Shares issued under private placement, net of share issuance costs and put rights , shares</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharesIssuedRelatingToAcquisitionOfCompedica" xlink:label="ptgef_SharesIssuedRelatingToAcquisitionOfCompedica" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharesIssuedRelatingToAcquisitionOfCompedica" xlink:to="ptgef_SharesIssuedRelatingToAcquisitionOfCompedica_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SharesIssuedRelatingToAcquisitionOfCompedica_lbl" xml:lang="en-US">Shares issued relating to the acquisition of Compedica</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharesIssuedRelatingToAcquisitionOfCompedicaShares" xlink:label="ptgef_SharesIssuedRelatingToAcquisitionOfCompedicaShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharesIssuedRelatingToAcquisitionOfCompedicaShares" xlink:to="ptgef_SharesIssuedRelatingToAcquisitionOfCompedicaShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SharesIssuedRelatingToAcquisitionOfCompedicaShares_lbl" xml:lang="en-US">Shares issued relating to the acquisition of Compedica, shares</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharesIssuedUnderRegisteredDirectOfferingNetOfShareIssuanceCosts" xlink:label="ptgef_SharesIssuedUnderRegisteredDirectOfferingNetOfShareIssuanceCosts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharesIssuedUnderRegisteredDirectOfferingNetOfShareIssuanceCosts" xlink:to="ptgef_SharesIssuedUnderRegisteredDirectOfferingNetOfShareIssuanceCosts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SharesIssuedUnderRegisteredDirectOfferingNetOfShareIssuanceCosts_lbl" xml:lang="en-US">Shares issued under registered direct offering, net of share issuance costs</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharesIssuedUnderRegisteredDirectOfferingNetOfShareIssuanceCostsShares" xlink:label="ptgef_SharesIssuedUnderRegisteredDirectOfferingNetOfShareIssuanceCostsShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharesIssuedUnderRegisteredDirectOfferingNetOfShareIssuanceCostsShares" xlink:to="ptgef_SharesIssuedUnderRegisteredDirectOfferingNetOfShareIssuanceCostsShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SharesIssuedUnderRegisteredDirectOfferingNetOfShareIssuanceCostsShares_lbl" xml:lang="en-US">Shares issued under registered direct offering, net of share issuance costs , shares</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ExerciseOfPrefundedWarrants" xlink:label="ptgef_ExerciseOfPrefundedWarrants" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ExerciseOfPrefundedWarrants" xlink:to="ptgef_ExerciseOfPrefundedWarrants_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ExerciseOfPrefundedWarrants_lbl" xml:lang="en-US">Exercise of pre-funded warrants</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ExerciseOfPrefundedWarrantsShares" xlink:label="ptgef_ExerciseOfPrefundedWarrantsShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ExerciseOfPrefundedWarrantsShares" xlink:to="ptgef_ExerciseOfPrefundedWarrantsShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ExerciseOfPrefundedWarrantsShares_lbl" xml:lang="en-US">Exercise of pre-funded warrants , shares</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_TreasuryStockObtainedInExchangeForReturnOfInvestmentInterestToCompedica" xlink:label="ptgef_TreasuryStockObtainedInExchangeForReturnOfInvestmentInterestToCompedica" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TreasuryStockObtainedInExchangeForReturnOfInvestmentInterestToCompedica" xlink:to="ptgef_TreasuryStockObtainedInExchangeForReturnOfInvestmentInterestToCompedica_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_TreasuryStockObtainedInExchangeForReturnOfInvestmentInterestToCompedica_lbl" xml:lang="en-US">Treasury stock obtained in exchange for return of investment interest to Compedica</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_TreasuryStockObtainedInExchangeForReturnOfInvestmentInterestToCompedicaShares" xlink:label="ptgef_TreasuryStockObtainedInExchangeForReturnOfInvestmentInterestToCompedicaShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TreasuryStockObtainedInExchangeForReturnOfInvestmentInterestToCompedicaShares" xlink:to="ptgef_TreasuryStockObtainedInExchangeForReturnOfInvestmentInterestToCompedicaShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_TreasuryStockObtainedInExchangeForReturnOfInvestmentInterestToCompedicaShares_lbl" xml:lang="en-US">Treasury stock obtained in exchange for return of investment interest to Compedica , shares</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PutRightsExercisedAndReturnOfShares" xlink:label="ptgef_PutRightsExercisedAndReturnOfShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PutRightsExercisedAndReturnOfShares" xlink:to="ptgef_PutRightsExercisedAndReturnOfShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PutRightsExercisedAndReturnOfShares_lbl" xml:lang="en-US">Put rights exercised and return of shares</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PutRightsExercisedAndReturnShares" xlink:label="ptgef_PutRightsExercisedAndReturnShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PutRightsExercisedAndReturnShares" xlink:to="ptgef_PutRightsExercisedAndReturnShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PutRightsExercisedAndReturnShares_lbl" xml:lang="en-US">Put rights exercised and return, shares</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_Equity_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_Equity_3_lbl" xml:lang="en-US">Ending balance, value</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfSharesOutstanding" xlink:to="ifrs-full_NumberOfSharesOutstanding_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_NumberOfSharesOutstanding_2_lbl" xml:lang="en-US">Ending Balance, shares</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable" xlink:to="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillTable_lbl" xml:lang="en-US">Disclosure of reconciliation of changes in intangible assets and goodwill [table]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract" xlink:to="ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US">Cash flows from operating activities:</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLoss" xlink:to="ifrs-full_ProfitLoss_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLoss_2_lbl" xml:lang="en-US">Net loss for the period</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:label="ifrs-full_AdjustmentsForReconcileProfitLossAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForReconcileProfitLossAbstract" xlink:to="ifrs-full_AdjustmentsForReconcileProfitLossAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForReconcileProfitLossAbstract_lbl" xml:lang="en-US">Adjustments for non-cash items:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForSharebasedPayments" xlink:label="ifrs-full_AdjustmentsForSharebasedPayments" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForSharebasedPayments" xlink:to="ifrs-full_AdjustmentsForSharebasedPayments_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_AdjustmentsForSharebasedPayments_lbl" xml:lang="en-US">Share-based compensation expense</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ChangeInFairValueOfDeferredPurchasePricePayableTarusAndDeferredObligationIoxMilestone" xlink:to="ptgef_ChangeInFairValueOfDeferredPurchasePricePayableTarusAndDeferredObligationIoxMilestone_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_ChangeInFairValueOfDeferredPurchasePricePayableTarusAndDeferredObligationIoxMilestone_2_lbl" xml:lang="en-US">Change in fair value of deferred purchase price payable - Tarus and deferred obligation - iOx milestone</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LossOnRegisteredDirectOffering" xlink:to="ptgef_LossOnRegisteredDirectOffering_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_LossOnRegisteredDirectOffering_2_lbl" xml:lang="en-US">Loss on Registered Direct Offering</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_OfferingCosts" xlink:to="ptgef_OfferingCosts_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_OfferingCosts_2_lbl" xml:lang="en-US">Offering costs</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ImpairmentLoss" xlink:label="ifrs-full_ImpairmentLoss" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ImpairmentLoss" xlink:to="ifrs-full_ImpairmentLoss_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ImpairmentLoss_lbl" xml:lang="en-US">Impairment loss</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_CommitmentFeeUnderCommittedPurchaseAgreement" xlink:to="ptgef_CommitmentFeeUnderCommittedPurchaseAgreement_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_CommitmentFeeUnderCommittedPurchaseAgreement_2_lbl" xml:lang="en-US">Commitment fee under Committed Purchase Agreement</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_GainOnDissolutionOfInvestmentInAssociate" xlink:to="ptgef_GainOnDissolutionOfInvestmentInAssociate_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_GainOnDissolutionOfInvestmentInAssociate_2_lbl" xml:lang="en-US">Gain on dissolution of investment in associate</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_GainFromSaleOfInvestmentInPublicCompany" xlink:to="ptgef_GainFromSaleOfInvestmentInPublicCompany_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_GainFromSaleOfInvestmentInPublicCompany_2_lbl" xml:lang="en-US">Gain from sale of investment in public company</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInDeferredTaxLiabilityAsset" xlink:label="ifrs-full_IncreaseDecreaseInDeferredTaxLiabilityAsset" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseInDeferredTaxLiabilityAsset" xlink:to="ifrs-full_IncreaseDecreaseInDeferredTaxLiabilityAsset_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_IncreaseDecreaseInDeferredTaxLiabilityAsset_lbl" xml:lang="en-US">Decrease in deferred tax liability</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_UnrealizedLossOnChangeInFairValueOfDigitalAssets" xlink:label="ptgef_UnrealizedLossOnChangeInFairValueOfDigitalAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_UnrealizedLossOnChangeInFairValueOfDigitalAssets" xlink:to="ptgef_UnrealizedLossOnChangeInFairValueOfDigitalAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_UnrealizedLossOnChangeInFairValueOfDigitalAssets_lbl" xml:lang="en-US">Unrealized loss on change in fair value of digital assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_UnrealizedLossOnChangeInFairValueOfDigitalAssetReceivables" xlink:label="ptgef_UnrealizedLossOnChangeInFairValueOfDigitalAssetReceivables" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_UnrealizedLossOnChangeInFairValueOfDigitalAssetReceivables" xlink:to="ptgef_UnrealizedLossOnChangeInFairValueOfDigitalAssetReceivables_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_UnrealizedLossOnChangeInFairValueOfDigitalAssetReceivables_lbl" xml:lang="en-US">Unrealized loss on change in fair value of digital asset receivables</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_RealizedLossOnSaleOfDigitalAssets" xlink:to="ptgef_RealizedLossOnSaleOfDigitalAssets_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_RealizedLossOnSaleOfDigitalAssets_2_lbl" xml:lang="en-US">Realized loss on sale of digital assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_RealizedLossOnNovationOfDigitalAssetReceivables" xlink:label="ptgef_RealizedLossOnNovationOfDigitalAssetReceivables" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_RealizedLossOnNovationOfDigitalAssetReceivables" xlink:to="ptgef_RealizedLossOnNovationOfDigitalAssetReceivables_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_RealizedLossOnNovationOfDigitalAssetReceivables_lbl" xml:lang="en-US">Realized loss on novation of digital asset receivables</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LossOnImpairmentInvestmentInCompedica" xlink:label="ptgef_LossOnImpairmentInvestmentInCompedica" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LossOnImpairmentInvestmentInCompedica" xlink:to="ptgef_LossOnImpairmentInvestmentInCompedica_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_LossOnImpairmentInvestmentInCompedica_lbl" xml:lang="en-US">Loss on impairment - investment in Compedica</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LossOnRemeasurementOfInvestmentInCompedica" xlink:label="ptgef_LossOnRemeasurementOfInvestmentInCompedica" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LossOnRemeasurementOfInvestmentInCompedica" xlink:to="ptgef_LossOnRemeasurementOfInvestmentInCompedica_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_LossOnRemeasurementOfInvestmentInCompedica_lbl" xml:lang="en-US">Loss on remeasurement of investment in Compedica</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ChangeInFairValueOfWarrantLiability" xlink:label="ptgef_ChangeInFairValueOfWarrantLiability" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ChangeInFairValueOfWarrantLiability" xlink:to="ptgef_ChangeInFairValueOfWarrantLiability_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_ChangeInFairValueOfWarrantLiability_lbl" xml:lang="en-US">Change in fair value of warrant liability</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ChangeInFairValueOfPutRightsNetOfRedemptions" xlink:to="ptgef_ChangeInFairValueOfPutRightsNetOfRedemptions_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ChangeInFairValueOfPutRightsNetOfRedemptions_2_lbl" xml:lang="en-US">Change in fair value of put rights, net of redemptions</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LossFromEquityMethodInvestment" xlink:label="ptgef_LossFromEquityMethodInvestment" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LossFromEquityMethodInvestment" xlink:to="ptgef_LossFromEquityMethodInvestment_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_LossFromEquityMethodInvestment_lbl" xml:lang="en-US">Loss from equity method investment</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ChangeInFairValueOfTonPayableToSettlePutRightsExercised" xlink:to="ptgef_ChangeInFairValueOfTonPayableToSettlePutRightsExercised_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_ChangeInFairValueOfTonPayableToSettlePutRightsExercised_2_lbl" xml:lang="en-US">Change in fair value of TON payable to settle put rights exercised</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_GainOnSettlementOfTonPayable" xlink:to="ptgef_GainOnSettlementOfTonPayable_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_GainOnSettlementOfTonPayable_2_lbl" xml:lang="en-US">Gain on settlement of TON payable</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LossOnExerciseOfPutRightLiability" xlink:label="ptgef_LossOnExerciseOfPutRightLiability" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LossOnExerciseOfPutRightLiability" xlink:to="ptgef_LossOnExerciseOfPutRightLiability_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_LossOnExerciseOfPutRightLiability_lbl" xml:lang="en-US">Loss on exercise of put right liability</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LossOnExtinguishmentOfDebt" xlink:label="ptgef_LossOnExtinguishmentOfDebt" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LossOnExtinguishmentOfDebt" xlink:to="ptgef_LossOnExtinguishmentOfDebt_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_LossOnExtinguishmentOfDebt_lbl" xml:lang="en-US">Loss on extinguishment of debt</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_NoncashInterestExpense" xlink:label="ptgef_NoncashInterestExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NoncashInterestExpense" xlink:to="ptgef_NoncashInterestExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_NoncashInterestExpense_lbl" xml:lang="en-US">Noncash interest expense</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_GainOnSettlementWithParexelIoxCro" xlink:to="ptgef_GainOnSettlementWithParexelIoxCro_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_GainOnSettlementWithParexelIoxCro_2_lbl" xml:lang="en-US">Gain on settlement with Parexel - iOx CRO</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ExpensesSettledUsingStablecoin" xlink:label="ptgef_ExpensesSettledUsingStablecoin" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ExpensesSettledUsingStablecoin" xlink:to="ptgef_ExpensesSettledUsingStablecoin_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ExpensesSettledUsingStablecoin_lbl" xml:lang="en-US">Expenses settled using stablecoin</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DividendsReceived" xlink:label="ifrs-full_DividendsReceived" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DividendsReceived" xlink:to="ifrs-full_DividendsReceived_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_DividendsReceived_lbl" xml:lang="en-US">Revenues received in TON tokens</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ShareOfLossInAssociate" xlink:label="ptgef_ShareOfLossInAssociate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ShareOfLossInAssociate" xlink:to="ptgef_ShareOfLossInAssociate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ShareOfLossInAssociate_lbl" xml:lang="en-US">Share of loss in associate</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_FairValueOfSharesIssuedForServices" xlink:label="ptgef_FairValueOfSharesIssuedForServices" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_FairValueOfSharesIssuedForServices" xlink:to="ptgef_FairValueOfSharesIssuedForServices_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_FairValueOfSharesIssuedForServices_lbl" xml:lang="en-US">Fair value of shares issued for services</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DepreciationAndAmortizations" xlink:label="ptgef_DepreciationAndAmortizations" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DepreciationAndAmortizations" xlink:to="ptgef_DepreciationAndAmortizations_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DepreciationAndAmortizations_lbl" xml:lang="en-US">Depreciation and amortization</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_NetChangeInWorkingCapitalComponentsAbstract" xlink:label="ptgef_NetChangeInWorkingCapitalComponentsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NetChangeInWorkingCapitalComponentsAbstract" xlink:to="ptgef_NetChangeInWorkingCapitalComponentsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_NetChangeInWorkingCapitalComponentsAbstract_lbl" xml:lang="en-US">Changes in operating working capital:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable_lbl" xml:lang="en-US">Accounts receivable</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInPrepaidExpenses" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInPrepaidExpenses" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForDecreaseIncreaseInPrepaidExpenses" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInPrepaidExpenses_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInPrepaidExpenses_lbl" xml:lang="en-US">Prepaid expenses and other receivables</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets_lbl" xml:lang="en-US">Other assets</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable_lbl" xml:lang="en-US">Accounts payable and accrued liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities_lbl" xml:lang="en-US">Other current liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_CashFlowsFromUsedInOperatingActivities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities_lbl" xml:lang="en-US">Net cash used in operating activities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract" xlink:to="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US">Cash flows from investing activities:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromSalesOfInvestmentProperty" xlink:label="ifrs-full_ProceedsFromSalesOfInvestmentProperty" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromSalesOfInvestmentProperty" xlink:to="ifrs-full_ProceedsFromSalesOfInvestmentProperty_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProceedsFromSalesOfInvestmentProperty_lbl" xml:lang="en-US">Proceeds from sale of investment in public company</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PurchasesOfStablecoin" xlink:label="ptgef_PurchasesOfStablecoin" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PurchasesOfStablecoin" xlink:to="ptgef_PurchasesOfStablecoin_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_PurchasesOfStablecoin_lbl" xml:lang="en-US">Purchases of stablecoin</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PurchasesOfDigitalAssets" xlink:label="ptgef_PurchasesOfDigitalAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PurchasesOfDigitalAssets" xlink:to="ptgef_PurchasesOfDigitalAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_PurchasesOfDigitalAssets_lbl" xml:lang="en-US">Purchases of digital assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SalesOfStablecoin" xlink:label="ptgef_SalesOfStablecoin" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SalesOfStablecoin" xlink:to="ptgef_SalesOfStablecoin_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SalesOfStablecoin_lbl" xml:lang="en-US">Sales of stablecoin</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SalesOfDigitalAssets" xlink:label="ptgef_SalesOfDigitalAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SalesOfDigitalAssets" xlink:to="ptgef_SalesOfDigitalAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SalesOfDigitalAssets_lbl" xml:lang="en-US">Sales of digital assets</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:label="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities" xlink:to="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities_lbl" xml:lang="en-US">Purchases of fixed assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_EquipmentDeposit" xlink:label="ptgef_EquipmentDeposit" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_EquipmentDeposit" xlink:to="ptgef_EquipmentDeposit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_EquipmentDeposit_lbl" xml:lang="en-US">Equipment deposits</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_CashPaidForInvestmentInCompedica" xlink:label="ptgef_CashPaidForInvestmentInCompedica" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_CashPaidForInvestmentInCompedica" xlink:to="ptgef_CashPaidForInvestmentInCompedica_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_CashPaidForInvestmentInCompedica_lbl" xml:lang="en-US">Cash paid for investment in Compedica</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInInvestingActivities" xlink:to="ifrs-full_CashFlowsFromUsedInInvestingActivities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CashFlowsFromUsedInInvestingActivities_lbl" xml:lang="en-US">Net cash (used in) provided by investing activities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US">Cash flows from financing activities:</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ProceedsFromExerciseOfPrefundedWarrants" xlink:label="ptgef_ProceedsFromExerciseOfPrefundedWarrants" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ProceedsFromExerciseOfPrefundedWarrants" xlink:to="ptgef_ProceedsFromExerciseOfPrefundedWarrants_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ProceedsFromExerciseOfPrefundedWarrants_lbl" xml:lang="en-US">Proceeds from exercise of Pre-Funded Warrants</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ProceedsFromSharesIssuedUnderPrivatePlacement" xlink:label="ptgef_ProceedsFromSharesIssuedUnderPrivatePlacement" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ProceedsFromSharesIssuedUnderPrivatePlacement" xlink:to="ptgef_ProceedsFromSharesIssuedUnderPrivatePlacement_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ProceedsFromSharesIssuedUnderPrivatePlacement_lbl" xml:lang="en-US">Proceeds from shares issued under private placement</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ProceedsFromRegisteredDirectOffering" xlink:label="ptgef_ProceedsFromRegisteredDirectOffering" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ProceedsFromRegisteredDirectOffering" xlink:to="ptgef_ProceedsFromRegisteredDirectOffering_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ProceedsFromRegisteredDirectOffering_lbl" xml:lang="en-US">Proceeds from Registered Direct Offering</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ProceedsFromSharesIssuedUnderAtmAndCommittedPurchaseAgreement" xlink:label="ptgef_ProceedsFromSharesIssuedUnderAtmAndCommittedPurchaseAgreement" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ProceedsFromSharesIssuedUnderAtmAndCommittedPurchaseAgreement" xlink:to="ptgef_ProceedsFromSharesIssuedUnderAtmAndCommittedPurchaseAgreement_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ProceedsFromSharesIssuedUnderAtmAndCommittedPurchaseAgreement_lbl" xml:lang="en-US">Proceeds from shares issued under ATM and Committed Purchase Agreement</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PaymentsForShareIssueCosts" xlink:label="ifrs-full_PaymentsForShareIssueCosts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PaymentsForShareIssueCosts" xlink:to="ifrs-full_PaymentsForShareIssueCosts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PaymentsForShareIssueCosts_lbl" xml:lang="en-US">Share issuance costs</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PutRightIssuanceCosts" xlink:label="ptgef_PutRightIssuanceCosts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PutRightIssuanceCosts" xlink:to="ptgef_PutRightIssuanceCosts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_PutRightIssuanceCosts_lbl" xml:lang="en-US">Put right issuance costs</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:label="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities" xlink:to="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities_lbl" xml:lang="en-US">Repayment of lease liability</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PaymentsOnExternalDebt" xlink:label="ptgef_PaymentsOnExternalDebt" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PaymentsOnExternalDebt" xlink:to="ptgef_PaymentsOnExternalDebt_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_PaymentsOnExternalDebt_lbl" xml:lang="en-US">Payments on external debt</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DeferredFinancingCosts" xlink:label="ptgef_DeferredFinancingCosts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DeferredFinancingCosts" xlink:to="ptgef_DeferredFinancingCosts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_DeferredFinancingCosts_lbl" xml:lang="en-US">Deferred financing costs</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LoanTerminationFee" xlink:label="ptgef_LoanTerminationFee" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LoanTerminationFee" xlink:to="ptgef_LoanTerminationFee_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_LoanTerminationFee_lbl" xml:lang="en-US">Loan termination fee</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharesFromRSUDistribution" xlink:label="ptgef_SharesFromRSUDistribution" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharesFromRSUDistribution" xlink:to="ptgef_SharesFromRSUDistribution_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SharesFromRSUDistribution_lbl" xml:lang="en-US">Shares from RSU distribution</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInFinancingActivities" xlink:to="ifrs-full_CashFlowsFromUsedInFinancingActivities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_CashFlowsFromUsedInFinancingActivities_lbl" xml:lang="en-US">Net cash provided by financing activities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents" xlink:to="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_IncreaseDecreaseInCashAndCashEquivalents_lbl" xml:lang="en-US">Decrease in cash, cash equivalents, restricted during period</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentRestrictedCashAndCashEquivalents" xlink:label="ifrs-full_CurrentRestrictedCashAndCashEquivalents" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentRestrictedCashAndCashEquivalents" xlink:to="ifrs-full_CurrentRestrictedCashAndCashEquivalents_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_CurrentRestrictedCashAndCashEquivalents_lbl" xml:lang="en-US">Cash and cash equivalents at beginning of period</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentRestrictedCashAndCashEquivalents" xlink:to="ifrs-full_CurrentRestrictedCashAndCashEquivalents_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_CurrentRestrictedCashAndCashEquivalents_2_lbl" xml:lang="en-US">Cash, cash equivalents, and restricted cash at end of period</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SupplementalCashFlowInformationsAbstract" xlink:label="ptgef_SupplementalCashFlowInformationsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SupplementalCashFlowInformationsAbstract" xlink:to="ptgef_SupplementalCashFlowInformationsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SupplementalCashFlowInformationsAbstract_lbl" xml:lang="en-US">Supplemental disclosure of cash flow information:</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_CashPaidForInterest" xlink:label="ptgef_CashPaidForInterest" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_CashPaidForInterest" xlink:to="ptgef_CashPaidForInterest_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_CashPaidForInterest_lbl" xml:lang="en-US">Cash paid for interest</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_NoncashInvestingItemsAbstract" xlink:label="ptgef_NoncashInvestingItemsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NoncashInvestingItemsAbstract" xlink:to="ptgef_NoncashInvestingItemsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_NoncashInvestingItemsAbstract_lbl" xml:lang="en-US">Supplemental disclosure of non-cash investing and financing activities:</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ExchangeOfStimunityConvertibleNoteForStimunitySharesAtFairValue" xlink:label="ptgef_ExchangeOfStimunityConvertibleNoteForStimunitySharesAtFairValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ExchangeOfStimunityConvertibleNoteForStimunitySharesAtFairValue" xlink:to="ptgef_ExchangeOfStimunityConvertibleNoteForStimunitySharesAtFairValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ExchangeOfStimunityConvertibleNoteForStimunitySharesAtFairValue_lbl" xml:lang="en-US">Exchange of Stimunity Convertible Note for Stimunity shares at fair value</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_CapitalExpendituresIncludedInAccountsPayable" xlink:label="ptgef_CapitalExpendituresIncludedInAccountsPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_CapitalExpendituresIncludedInAccountsPayable" xlink:to="ptgef_CapitalExpendituresIncludedInAccountsPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_CapitalExpendituresIncludedInAccountsPayable_lbl" xml:lang="en-US">Capital expenditures included in accounts payable</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_RightToUseAssetAcquired" xlink:label="ptgef_RightToUseAssetAcquired" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_RightToUseAssetAcquired" xlink:to="ptgef_RightToUseAssetAcquired_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_RightToUseAssetAcquired_lbl" xml:lang="en-US">Right-of-use asset acquired</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LeaseLiabilityIncurred" xlink:label="ptgef_LeaseLiabilityIncurred" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LeaseLiabilityIncurred" xlink:to="ptgef_LeaseLiabilityIncurred_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_LeaseLiabilityIncurred_lbl" xml:lang="en-US">Lease liability incurred</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ContributionOfDigitalAssets" xlink:label="ptgef_ContributionOfDigitalAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ContributionOfDigitalAssets" xlink:to="ptgef_ContributionOfDigitalAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ContributionOfDigitalAssets_lbl" xml:lang="en-US">Contribution of digital assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ContributionOfStablecoin" xlink:label="ptgef_ContributionOfStablecoin" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ContributionOfStablecoin" xlink:to="ptgef_ContributionOfStablecoin_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ContributionOfStablecoin_lbl" xml:lang="en-US">Contribution of stablecoin</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ContributionOfDigitalAssetsReceivable" xlink:label="ptgef_ContributionOfDigitalAssetsReceivable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ContributionOfDigitalAssetsReceivable" xlink:to="ptgef_ContributionOfDigitalAssetsReceivable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ContributionOfDigitalAssetsReceivable_lbl" xml:lang="en-US">Contribution of digital assets receivable</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ContributionOfStablecoinReceivable" xlink:label="ptgef_ContributionOfStablecoinReceivable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ContributionOfStablecoinReceivable" xlink:to="ptgef_ContributionOfStablecoinReceivable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ContributionOfStablecoinReceivable_lbl" xml:lang="en-US">Contribution of stablecoin receivable</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ValueOfSharesUsedToPurchaseInterestInCompedica" xlink:label="ptgef_ValueOfSharesUsedToPurchaseInterestInCompedica" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ValueOfSharesUsedToPurchaseInterestInCompedica" xlink:to="ptgef_ValueOfSharesUsedToPurchaseInterestInCompedica_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ValueOfSharesUsedToPurchaseInterestInCompedica_lbl" xml:lang="en-US">Value of shares used to purchase interest in Compedica</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TreasuryStockObtainedInExchangeForReturnOfInvestmentInterestToCompedica" xlink:to="ptgef_TreasuryStockObtainedInExchangeForReturnOfInvestmentInterestToCompedica_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_TreasuryStockObtainedInExchangeForReturnOfInvestmentInterestToCompedica_2_lbl" xml:lang="en-US">Treasury stock obtained in exchange for return of investment interest to Compedica</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PutRightsIssuedToInvestors" xlink:label="ptgef_PutRightsIssuedToInvestors" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PutRightsIssuedToInvestors" xlink:to="ptgef_PutRightsIssuedToInvestors_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PutRightsIssuedToInvestors_lbl" xml:lang="en-US">Put rights issued to investors</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ShareIssuanceCostsSettledInCompanyStock" xlink:label="ptgef_ShareIssuanceCostsSettledInCompanyStock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ShareIssuanceCostsSettledInCompanyStock" xlink:to="ptgef_ShareIssuanceCostsSettledInCompanyStock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ShareIssuanceCostsSettledInCompanyStock_lbl" xml:lang="en-US">Share issuance costs settled in Company stock</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ShareIssuanceCostsSettledInWarrantsOnCompanysStock" xlink:label="ptgef_ShareIssuanceCostsSettledInWarrantsOnCompanysStock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ShareIssuanceCostsSettledInWarrantsOnCompanysStock" xlink:to="ptgef_ShareIssuanceCostsSettledInWarrantsOnCompanysStock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ShareIssuanceCostsSettledInWarrantsOnCompanysStock_lbl" xml:lang="en-US">Share issuance costs settled in warrants on the Company's stock</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SettlementOfPutRightLiabilityUsingStablecoinReceivable" xlink:label="ptgef_SettlementOfPutRightLiabilityUsingStablecoinReceivable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SettlementOfPutRightLiabilityUsingStablecoinReceivable" xlink:to="ptgef_SettlementOfPutRightLiabilityUsingStablecoinReceivable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SettlementOfPutRightLiabilityUsingStablecoinReceivable_lbl" xml:lang="en-US">Settlement of put right liability using stablecoin receivable</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ExerciseOfPutRights" xlink:label="ptgef_ExerciseOfPutRights" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ExerciseOfPutRights" xlink:to="ptgef_ExerciseOfPutRights_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ExerciseOfPutRights_lbl" xml:lang="en-US">Exercise of put rights</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SettlementOfPutRightLiabilityUsingDigitalAssetReceivables" xlink:label="ptgef_SettlementOfPutRightLiabilityUsingDigitalAssetReceivables" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SettlementOfPutRightLiabilityUsingDigitalAssetReceivables" xlink:to="ptgef_SettlementOfPutRightLiabilityUsingDigitalAssetReceivables_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SettlementOfPutRightLiabilityUsingDigitalAssetReceivables_lbl" xml:lang="en-US">Settlement of put right liability using digital asset receivables</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ReceiptOfDigitalAssetsReceivableTonTokens" xlink:label="ptgef_ReceiptOfDigitalAssetsReceivableTonTokens" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ReceiptOfDigitalAssetsReceivableTonTokens" xlink:to="ptgef_ReceiptOfDigitalAssetsReceivableTonTokens_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ReceiptOfDigitalAssetsReceivableTonTokens_lbl" xml:lang="en-US">Receipt of digital assets receivable, TON tokens</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_StablecoinUsedToPurchaseDigitalAssets" xlink:label="ptgef_StablecoinUsedToPurchaseDigitalAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_StablecoinUsedToPurchaseDigitalAssets" xlink:to="ptgef_StablecoinUsedToPurchaseDigitalAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_StablecoinUsedToPurchaseDigitalAssets_lbl" xml:lang="en-US">Stablecoin used to purchase digital assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SaleOfDigitalAssetsSettledInStablecoin" xlink:label="ptgef_SaleOfDigitalAssetsSettledInStablecoin" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SaleOfDigitalAssetsSettledInStablecoin" xlink:to="ptgef_SaleOfDigitalAssetsSettledInStablecoin_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SaleOfDigitalAssetsSettledInStablecoin_lbl" xml:lang="en-US">Sale of digital assets settled in stablecoin</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ExchangeOfBitcoinForTonTokens" xlink:label="ptgef_ExchangeOfBitcoinForTonTokens" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ExchangeOfBitcoinForTonTokens" xlink:to="ptgef_ExchangeOfBitcoinForTonTokens_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ExchangeOfBitcoinForTonTokens_lbl" xml:lang="en-US">Exchange of Bitcoin for TON tokens</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ExternalDebtProceedsReceivedInStablecoin" xlink:label="ptgef_ExternalDebtProceedsReceivedInStablecoin" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ExternalDebtProceedsReceivedInStablecoin" xlink:to="ptgef_ExternalDebtProceedsReceivedInStablecoin_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ExternalDebtProceedsReceivedInStablecoin_lbl" xml:lang="en-US">External debt proceeds received in stablecoin</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PaymentsOnExternalDebtUsingDigitalAssets" xlink:label="ptgef_PaymentsOnExternalDebtUsingDigitalAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PaymentsOnExternalDebtUsingDigitalAssets" xlink:to="ptgef_PaymentsOnExternalDebtUsingDigitalAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PaymentsOnExternalDebtUsingDigitalAssets_lbl" xml:lang="en-US">Payments on external debt using digital assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_NoncashOperatingActivitiesAbstract" xlink:label="ptgef_NoncashOperatingActivitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NoncashOperatingActivitiesAbstract" xlink:to="ptgef_NoncashOperatingActivitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_NoncashOperatingActivitiesAbstract_lbl" xml:lang="en-US">Non-cash operating activities:</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PrepaidExpensesObtainedInExchangeForStablecoin" xlink:label="ptgef_PrepaidExpensesObtainedInExchangeForStablecoin" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PrepaidExpensesObtainedInExchangeForStablecoin" xlink:to="ptgef_PrepaidExpensesObtainedInExchangeForStablecoin_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PrepaidExpensesObtainedInExchangeForStablecoin_lbl" xml:lang="en-US">Prepaid expenses obtained in exchange for stablecoin</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureNatureOfOperationsAbstract" xlink:label="ptgef_DisclosureNatureOfOperationsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DisclosureNatureOfOperationsAbstract" xlink:to="ptgef_DisclosureNatureOfOperationsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureNatureOfOperationsAbstract_lbl" xml:lang="en-US">Nature Of Operations</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_NatureOfOperationsExplanatory" xlink:label="ptgef_NatureOfOperationsExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NatureOfOperationsExplanatory" xlink:to="ptgef_NatureOfOperationsExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_NatureOfOperationsExplanatory_lbl" xml:lang="en-US">NATURE OF OPERATIONS</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NotesAndOtherExplanatoryInformationAbstract" xlink:label="ifrs-full_NotesAndOtherExplanatoryInformationAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NotesAndOtherExplanatoryInformationAbstract" xlink:to="ifrs-full_NotesAndOtherExplanatoryInformationAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NotesAndOtherExplanatoryInformationAbstract_lbl" xml:lang="en-US">Notes and other explanatory information [abstract]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfGoingConcernExplanatory" xlink:label="ifrs-full_DisclosureOfGoingConcernExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfGoingConcernExplanatory" xlink:to="ifrs-full_DisclosureOfGoingConcernExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfGoingConcernExplanatory_lbl" xml:lang="en-US">GOING CONCERN</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfBasisOfConsolidationExplanatory" xlink:label="ifrs-full_DisclosureOfBasisOfConsolidationExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfBasisOfConsolidationExplanatory" xlink:to="ifrs-full_DisclosureOfBasisOfConsolidationExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfBasisOfConsolidationExplanatory_lbl" xml:lang="en-US">BASIS OF PRESENTATION</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureSignificantAccountingPoliciesAbstract" xlink:label="ptgef_DisclosureSignificantAccountingPoliciesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DisclosureSignificantAccountingPoliciesAbstract" xlink:to="ptgef_DisclosureSignificantAccountingPoliciesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureSignificantAccountingPoliciesAbstract_lbl" xml:lang="en-US">Significant Accounting Policies</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory" xlink:label="ptgef_DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory" xlink:to="ptgef_DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory_lbl" xml:lang="en-US">SIGNIFICANT ACCOUNTING POLICIES</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOtherAssetsExplanatory" xlink:label="ifrs-full_DisclosureOfOtherAssetsExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfOtherAssetsExplanatory" xlink:to="ifrs-full_DisclosureOfOtherAssetsExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfOtherAssetsExplanatory_lbl" xml:lang="en-US">PREPAID EXPENSES, OTHER RECEIVABLES, AND OTHER ASSETS</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureStablecoinAbstract" xlink:label="ptgef_DisclosureStablecoinAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DisclosureStablecoinAbstract" xlink:to="ptgef_DisclosureStablecoinAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_DisclosureStablecoinAbstract_lbl" xml:lang="en-US">Stablecoin</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureOfStablecoinExplanatory" xlink:label="ptgef_DisclosureOfStablecoinExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DisclosureOfStablecoinExplanatory" xlink:to="ptgef_DisclosureOfStablecoinExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureOfStablecoinExplanatory_lbl" xml:lang="en-US">STABLECOIN</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureDigitalAssetsAbstract" xlink:label="ptgef_DisclosureDigitalAssetsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DisclosureDigitalAssetsAbstract" xlink:to="ptgef_DisclosureDigitalAssetsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureDigitalAssetsAbstract_lbl" xml:lang="en-US">Digital Assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureOfDigitalAssetsExplanatory" xlink:label="ptgef_DisclosureOfDigitalAssetsExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DisclosureOfDigitalAssetsExplanatory" xlink:to="ptgef_DisclosureOfDigitalAssetsExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureOfDigitalAssetsExplanatory_lbl" xml:lang="en-US">DIGITAL ASSETS</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosurePropertyPlantAndEquipmentAndRightofuseAssetsAbstract" xlink:label="ptgef_DisclosurePropertyPlantAndEquipmentAndRightofuseAssetsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DisclosurePropertyPlantAndEquipmentAndRightofuseAssetsAbstract" xlink:to="ptgef_DisclosurePropertyPlantAndEquipmentAndRightofuseAssetsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosurePropertyPlantAndEquipmentAndRightofuseAssetsAbstract_lbl" xml:lang="en-US">Property Plant And Equipment And Right-of-use Assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PropertyPlantAndEquipmentAndRightOfUseAssetsTextBlock" xlink:label="ptgef_PropertyPlantAndEquipmentAndRightOfUseAssetsTextBlock" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PropertyPlantAndEquipmentAndRightOfUseAssetsTextBlock_lbl" xml:lang="en-US">PROPERTY, PLANT, AND EQUIPMENT AND RIGHT-OF-USE ASSETS</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInvestmentPropertyExplanatory" xlink:label="ifrs-full_DisclosureOfInvestmentPropertyExplanatory" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfInvestmentPropertyExplanatory_lbl" xml:lang="en-US">INVESTMENT IN COMPEDICA</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureWarrantLiabilityAbstract" xlink:label="ptgef_DisclosureWarrantLiabilityAbstract" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureWarrantLiabilityAbstract_lbl" xml:lang="en-US">Warrant Liability</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DisclosureOfWarrantLiabilityExplanatory" xlink:to="ptgef_DisclosureOfWarrantLiabilityExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureOfWarrantLiabilityExplanatory_lbl" xml:lang="en-US">WARRANT LIABILITY</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosurePutRightLiabilityAndTonPayableAbstract" xlink:label="ptgef_DisclosurePutRightLiabilityAndTonPayableAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DisclosurePutRightLiabilityAndTonPayableAbstract" xlink:to="ptgef_DisclosurePutRightLiabilityAndTonPayableAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosurePutRightLiabilityAndTonPayableAbstract_lbl" xml:lang="en-US">Put Right Liability And Ton Payable</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureOPutRightLiabilityAndTonPayableExplanatory" xlink:label="ptgef_DisclosureOPutRightLiabilityAndTonPayableExplanatory" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureOPutRightLiabilityAndTonPayableExplanatory_lbl" xml:lang="en-US">PUT RIGHT LIABILITY AND TON PAYABLE</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureAccountsPayableAndAccruedLiabilitiesAbstract" xlink:label="ptgef_DisclosureAccountsPayableAndAccruedLiabilitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DisclosureAccountsPayableAndAccruedLiabilitiesAbstract" xlink:to="ptgef_DisclosureAccountsPayableAndAccruedLiabilitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureAccountsPayableAndAccruedLiabilitiesAbstract_lbl" xml:lang="en-US">Accounts Payable And Accrued Liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AccountsPayableAndAccruedLiabilitiesTextBlock" xlink:label="ptgef_AccountsPayableAndAccruedLiabilitiesTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AccountsPayableAndAccruedLiabilitiesTextBlock" xlink:to="ptgef_AccountsPayableAndAccruedLiabilitiesTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AccountsPayableAndAccruedLiabilitiesTextBlock_lbl" xml:lang="en-US">ACCOUNTS PAYABLE AND ACCRUED LIABILITIES</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureLeaseLiabilityAbstract" xlink:label="ptgef_DisclosureLeaseLiabilityAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DisclosureLeaseLiabilityAbstract" xlink:to="ptgef_DisclosureLeaseLiabilityAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureLeaseLiabilityAbstract_lbl" xml:lang="en-US">Lease Liability</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureOfLeaseLiabilityExplanatory" xlink:label="ptgef_DisclosureOfLeaseLiabilityExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DisclosureOfLeaseLiabilityExplanatory" xlink:to="ptgef_DisclosureOfLeaseLiabilityExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureOfLeaseLiabilityExplanatory_lbl" xml:lang="en-US">LEASE LIABILITY</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureBitgoPrimeLoanAbstract" xlink:label="ptgef_DisclosureBitgoPrimeLoanAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DisclosureBitgoPrimeLoanAbstract" xlink:to="ptgef_DisclosureBitgoPrimeLoanAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureBitgoPrimeLoanAbstract_lbl" xml:lang="en-US">Bitgo Prime Loan</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureOfBitgoPrimeLoanExplanatory" xlink:label="ptgef_DisclosureOfBitgoPrimeLoanExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DisclosureOfBitgoPrimeLoanExplanatory" xlink:to="ptgef_DisclosureOfBitgoPrimeLoanExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureOfBitgoPrimeLoanExplanatory_lbl" xml:lang="en-US">BITGO PRIME LOAN</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIncomeTaxExplanatory" xlink:label="ifrs-full_DisclosureOfIncomeTaxExplanatory" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfIncomeTaxExplanatory_lbl" xml:lang="en-US">INCOME TAXES</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureCapitalStockAndReservesAbstract" xlink:label="ptgef_DisclosureCapitalStockAndReservesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DisclosureCapitalStockAndReservesAbstract" xlink:to="ptgef_DisclosureCapitalStockAndReservesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureCapitalStockAndReservesAbstract_lbl" xml:lang="en-US">Capital Stock And Reserves</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_CapitalStockAndReservesTextBlock" xlink:label="ptgef_CapitalStockAndReservesTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_CapitalStockAndReservesTextBlock" xlink:to="ptgef_CapitalStockAndReservesTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_CapitalStockAndReservesTextBlock_lbl" xml:lang="en-US">CAPITAL STOCK AND RESERVES</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" xlink:label="ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfSharebasedPaymentArrangementsExplanatory_lbl" xml:lang="en-US">STOCK OPTION RESERVE</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_EarningsPerShareExplanatory" xlink:label="ifrs-full_EarningsPerShareExplanatory" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EarningsPerShareExplanatory_lbl" xml:lang="en-US">LOSS PER SHARE</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" xlink:label="ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory_lbl" xml:lang="en-US">COMMITMENTS AND CONTINGENT LIABILITIES</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfRelatedPartyExplanatory" xlink:label="ifrs-full_DisclosureOfRelatedPartyExplanatory" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfRelatedPartyExplanatory_lbl" xml:lang="en-US">RELATED PARTY TRANSACTIONS</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureFinancialInstrumentsAndRiskManagementAbstract" xlink:label="ptgef_DisclosureFinancialInstrumentsAndRiskManagementAbstract" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureFinancialInstrumentsAndRiskManagementAbstract_lbl" xml:lang="en-US">Financial Instruments And Risk Management</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureOfFinancialInstrumentsAndRiskManagementExplanatory" xlink:label="ptgef_DisclosureOfFinancialInstrumentsAndRiskManagementExplanatory" />
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      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureSegmentReportingAbstract" xlink:label="ptgef_DisclosureSegmentReportingAbstract" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureSegmentReportingAbstract_lbl" xml:lang="en-US">Segment Reporting</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureOfSegmentReportingExplanatoryTextBlock" xlink:label="ptgef_DisclosureOfSegmentReportingExplanatoryTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DisclosureOfSegmentReportingExplanatoryTextBlock" xlink:to="ptgef_DisclosureOfSegmentReportingExplanatoryTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureOfSegmentReportingExplanatoryTextBlock_lbl" xml:lang="en-US">SEGMENT REPORTING</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureCapitalManagementAbstract_lbl" xml:lang="en-US">Capital Management</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureOfCapitalManagementExplanatoryTextBlock" xlink:label="ptgef_DisclosureOfCapitalManagementExplanatoryTextBlock" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureOfCapitalManagementExplanatoryTextBlock_lbl" xml:lang="en-US">CAPITAL MANAGEMENT</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory" xlink:label="ifrs-full_DisclosureOfInterestsInOtherEntitiesExplanatory" />
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      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfFinancialAssetsExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForImpairmentOfFinancialAssetsExplanatory" />
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      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForEarningsPerShareExplanatory_lbl" xml:lang="en-US">Loss Per Share</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DescriptionOfAccountingPolicyForInvestmentInPrivateCompaniesExplanatory" xlink:label="ptgef_DescriptionOfAccountingPolicyForInvestmentInPrivateCompaniesExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DescriptionOfAccountingPolicyForInvestmentInPrivateCompaniesExplanatory" xlink:to="ptgef_DescriptionOfAccountingPolicyForInvestmentInPrivateCompaniesExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DescriptionOfAccountingPolicyForInvestmentInPrivateCompaniesExplanatory_lbl" xml:lang="en-US">Investment in Public Company</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociates" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociates" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociates" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociates_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForInvestmentInAssociates_lbl" xml:lang="en-US">Investment in Associate</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForResearchAndDevelopmentExpenseExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForResearchAndDevelopmentExpenseExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfAccountingPolicyForResearchAndDevelopmentExpenseExplanatory" xlink:to="ifrs-full_DescriptionOfAccountingPolicyForResearchAndDevelopmentExpenseExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForResearchAndDevelopmentExpenseExplanatory_lbl" xml:lang="en-US">Research and Development Expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DescriptionOfAccountingPolicyForContingentLiabilitiesExplanatory" xlink:label="ptgef_DescriptionOfAccountingPolicyForContingentLiabilitiesExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DescriptionOfAccountingPolicyForContingentLiabilitiesExplanatory" xlink:to="ptgef_DescriptionOfAccountingPolicyForContingentLiabilitiesExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DescriptionOfAccountingPolicyForContingentLiabilitiesExplanatory_lbl" xml:lang="en-US">Contingent Liability</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForFairValueMeasurementExplanatory_lbl" xml:lang="en-US">Determination of Fair Value</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfAccountingPolicyForIncomeTaxExplanatory_lbl" xml:lang="en-US">Income Tax</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DescriptionOfAccountingPolicyFoStablecoinExplanatory" xlink:label="ptgef_DescriptionOfAccountingPolicyFoStablecoinExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DescriptionOfAccountingPolicyFoStablecoinExplanatory" xlink:to="ptgef_DescriptionOfAccountingPolicyFoStablecoinExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_DescriptionOfAccountingPolicyFoStablecoinExplanatory_lbl" xml:lang="en-US">Stablecoin</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DescriptionOfAccountingPolicyForDigitalAssetsExplanatory" xlink:label="ptgef_DescriptionOfAccountingPolicyForDigitalAssetsExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DescriptionOfAccountingPolicyForDigitalAssetsExplanatory" xlink:to="ptgef_DescriptionOfAccountingPolicyForDigitalAssetsExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_DescriptionOfAccountingPolicyForDigitalAssetsExplanatory_lbl" xml:lang="en-US">Digital Assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DescriptionOfAccountingPolicyForRevenueFromContractsWithCustomersExplanatory" xlink:label="ptgef_DescriptionOfAccountingPolicyForRevenueFromContractsWithCustomersExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DescriptionOfAccountingPolicyForRevenueFromContractsWithCustomersExplanatory" xlink:to="ptgef_DescriptionOfAccountingPolicyForRevenueFromContractsWithCustomersExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DescriptionOfAccountingPolicyForRevenueFromContractsWithCustomersExplanatory_lbl" xml:lang="en-US">Revenue from Contracts with Customers</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DescriptionOfAccountingPolicyForAccountsReceivableExplanatory" xlink:label="ptgef_DescriptionOfAccountingPolicyForAccountsReceivableExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DescriptionOfAccountingPolicyForAccountsReceivableExplanatory" xlink:to="ptgef_DescriptionOfAccountingPolicyForAccountsReceivableExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DescriptionOfAccountingPolicyForAccountsReceivableExplanatory_lbl" xml:lang="en-US">Accounts Receivable</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DescriptionOfAccountingPolicyForExpectedCreditLossesExplanatory" xlink:label="ptgef_DescriptionOfAccountingPolicyForExpectedCreditLossesExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DescriptionOfAccountingPolicyForExpectedCreditLossesExplanatory" xlink:to="ptgef_DescriptionOfAccountingPolicyForExpectedCreditLossesExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DescriptionOfAccountingPolicyForExpectedCreditLossesExplanatory_lbl" xml:lang="en-US">Expected Credit Losses</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DescriptionOfPolicyForPropertyPlantAndEquipmentExplanatory" xlink:label="ptgef_DescriptionOfPolicyForPropertyPlantAndEquipmentExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DescriptionOfPolicyForPropertyPlantAndEquipmentExplanatory" xlink:to="ptgef_DescriptionOfPolicyForPropertyPlantAndEquipmentExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DescriptionOfPolicyForPropertyPlantAndEquipmentExplanatory_lbl" xml:lang="en-US">Property, Plant, and Equipment</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DescriptionOfAccountingPolicyForAdoptionOfNewStandardsExplanatory" xlink:label="ptgef_DescriptionOfAccountingPolicyForAdoptionOfNewStandardsExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DescriptionOfAccountingPolicyForAdoptionOfNewStandardsExplanatory" xlink:to="ptgef_DescriptionOfAccountingPolicyForAdoptionOfNewStandardsExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DescriptionOfAccountingPolicyForAdoptionOfNewStandardsExplanatory_lbl" xml:lang="en-US">Recent Accounting Pronouncements</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareExplanatory2023" xlink:label="ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareExplanatory2023" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareExplanatory2023" xlink:to="ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareExplanatory2023_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareExplanatory2023_lbl" xml:lang="en-US">Schedule of anti-dilutive effect on loss per share</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureOfDetailedInformationAboutPrepaidExpensesAndOtherReceivableTableTextBlock" xlink:label="ptgef_DisclosureOfDetailedInformationAboutPrepaidExpensesAndOtherReceivableTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DisclosureOfDetailedInformationAboutPrepaidExpensesAndOtherReceivableTableTextBlock" xlink:to="ptgef_DisclosureOfDetailedInformationAboutPrepaidExpensesAndOtherReceivableTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureOfDetailedInformationAboutPrepaidExpensesAndOtherReceivableTableTextBlock_lbl" xml:lang="en-US">Schedule of prepaid expenses and other receivables</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureOfStablecoinTableTextBlock" xlink:label="ptgef_DisclosureOfStablecoinTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DisclosureOfStablecoinTableTextBlock" xlink:to="ptgef_DisclosureOfStablecoinTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureOfStablecoinTableTextBlock_lbl" xml:lang="en-US">Schedule of stablecoin</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureOfStablecoinPurchasesTableTextBlock" xlink:label="ptgef_DisclosureOfStablecoinPurchasesTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DisclosureOfStablecoinPurchasesTableTextBlock" xlink:to="ptgef_DisclosureOfStablecoinPurchasesTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureOfStablecoinPurchasesTableTextBlock_lbl" xml:lang="en-US">Schedule of stablecoin purchases</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfDigitalAssetsTableTextBlock" xlink:label="ptgef_ScheduleOfDigitalAssetsTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfDigitalAssetsTableTextBlock" xlink:to="ptgef_ScheduleOfDigitalAssetsTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ScheduleOfDigitalAssetsTableTextBlock_lbl" xml:lang="en-US">Schedule of Digital assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfDigitalAssetsPurchasesTableTextBlock" xlink:label="ptgef_ScheduleOfDigitalAssetsPurchasesTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfDigitalAssetsPurchasesTableTextBlock" xlink:to="ptgef_ScheduleOfDigitalAssetsPurchasesTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ScheduleOfDigitalAssetsPurchasesTableTextBlock_lbl" xml:lang="en-US">Schedule of digital assets purchases</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SeheduleOfTonTokensTableTextBlock" xlink:label="ptgef_SeheduleOfTonTokensTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SeheduleOfTonTokensTableTextBlock" xlink:to="ptgef_SeheduleOfTonTokensTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SeheduleOfTonTokensTableTextBlock_lbl" xml:lang="en-US">[custom:SeheduleOfTonTokensTableTextBlock]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfReceivablesDigitalAssetsTableXextBlock" xlink:label="ptgef_ScheduleOfReceivablesDigitalAssetsTableXextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfReceivablesDigitalAssetsTableXextBlock" xlink:to="ptgef_ScheduleOfReceivablesDigitalAssetsTableXextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ScheduleOfReceivablesDigitalAssetsTableXextBlock_lbl" xml:lang="en-US">Schedule of movements in Receivables &#8211; digital assets</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory_lbl" xml:lang="en-US">Schedule of property, plant, and equipment, equipment deposits, and right-of-use assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfInvestmentBalanceTableTextBlock" xlink:label="ptgef_ScheduleOfInvestmentBalanceTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfInvestmentBalanceTableTextBlock" xlink:to="ptgef_ScheduleOfInvestmentBalanceTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ScheduleOfInvestmentBalanceTableTextBlock_lbl" xml:lang="en-US">Schedule of investment balance</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfWarrantLiabilityTableTextBlock" xlink:label="ptgef_ScheduleOfWarrantLiabilityTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfWarrantLiabilityTableTextBlock" xlink:to="ptgef_ScheduleOfWarrantLiabilityTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ScheduleOfWarrantLiabilityTableTextBlock_lbl" xml:lang="en-US">Schedule of changes in the warrant liability</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementExplanatory" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementExplanatory_lbl" xml:lang="en-US">Schedule of inputs associated with calculating the fair value</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureOfFairValueMeasurementOfWarrantsExplanatory" xlink:label="ptgef_DisclosureOfFairValueMeasurementOfWarrantsExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DisclosureOfFairValueMeasurementOfWarrantsExplanatory" xlink:to="ptgef_DisclosureOfFairValueMeasurementOfWarrantsExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureOfFairValueMeasurementOfWarrantsExplanatory_lbl" xml:lang="en-US">Schedule of fair value</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureOfFairValueOfPlacementAgentWarrantsMeasurementExplanatory" xlink:label="ptgef_DisclosureOfFairValueOfPlacementAgentWarrantsMeasurementExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DisclosureOfFairValueOfPlacementAgentWarrantsMeasurementExplanatory" xlink:to="ptgef_DisclosureOfFairValueOfPlacementAgentWarrantsMeasurementExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureOfFairValueOfPlacementAgentWarrantsMeasurementExplanatory_lbl" xml:lang="en-US">Schedule of Placement agent warrants</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DisclosureOfFairValueMeasurementPlacementAgentExplanatory" xlink:label="ptgef_DisclosureOfFairValueMeasurementPlacementAgentExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DisclosureOfFairValueMeasurementPlacementAgentExplanatory" xlink:to="ptgef_DisclosureOfFairValueMeasurementPlacementAgentExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DisclosureOfFairValueMeasurementPlacementAgentExplanatory_lbl" xml:lang="en-US">Schedule of 2026 placement agent warrants</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfFairValueOfThePutRightLiabilityIsEstimatedUsingBlackScholesModelTableTextBlock" xlink:label="ptgef_ScheduleOfFairValueOfThePutRightLiabilityIsEstimatedUsingBlackScholesModelTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfFairValueOfThePutRightLiabilityIsEstimatedUsingBlackScholesModelTableTextBlock" xlink:to="ptgef_ScheduleOfFairValueOfThePutRightLiabilityIsEstimatedUsingBlackScholesModelTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ScheduleOfFairValueOfThePutRightLiabilityIsEstimatedUsingBlackScholesModelTableTextBlock_lbl" xml:lang="en-US">Schedule of put right liability</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfPutRightLiabilityTableTextBlock" xlink:label="ptgef_ScheduleOfPutRightLiabilityTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfPutRightLiabilityTableTextBlock" xlink:to="ptgef_ScheduleOfPutRightLiabilityTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_ScheduleOfPutRightLiabilityTableTextBlock_lbl" xml:lang="en-US">Schedule of put right liability</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfTonPayableTableTextBlock" xlink:label="ptgef_ScheduleOfTonPayableTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfTonPayableTableTextBlock" xlink:to="ptgef_ScheduleOfTonPayableTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ScheduleOfTonPayableTableTextBlock_lbl" xml:lang="en-US">Schedule of TON payable</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AccountsPayableAndAccruedLiabilitiesTableTextBlock" xlink:label="ptgef_AccountsPayableAndAccruedLiabilitiesTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AccountsPayableAndAccruedLiabilitiesTableTextBlock" xlink:to="ptgef_AccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AccountsPayableAndAccruedLiabilitiesTableTextBlock_lbl" xml:lang="en-US">Schedule of accounts payable and accrued liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfLeaseLiabilityTableTextBlock" xlink:label="ptgef_ScheduleOfLeaseLiabilityTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfLeaseLiabilityTableTextBlock" xlink:to="ptgef_ScheduleOfLeaseLiabilityTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ScheduleOfLeaseLiabilityTableTextBlock_lbl" xml:lang="en-US">Schedule of Lease liability</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfIncomeTaxesBenefitTableTextBlock" xlink:label="ptgef_ScheduleOfIncomeTaxesBenefitTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfIncomeTaxesBenefitTableTextBlock" xlink:to="ptgef_ScheduleOfIncomeTaxesBenefitTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ScheduleOfIncomeTaxesBenefitTableTextBlock_lbl" xml:lang="en-US">Schedule of income tax benefit</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfReconciliationEffectiveIncomeTaxratesTableTextBlock" xlink:label="ptgef_ScheduleOfReconciliationEffectiveIncomeTaxratesTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfReconciliationEffectiveIncomeTaxratesTableTextBlock" xlink:to="ptgef_ScheduleOfReconciliationEffectiveIncomeTaxratesTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ScheduleOfReconciliationEffectiveIncomeTaxratesTableTextBlock_lbl" xml:lang="en-US">Schedule of reconciliation income tax rates</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfDeferredTaxAssetsTableTextBlock" xlink:label="ptgef_ScheduleOfDeferredTaxAssetsTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfDeferredTaxAssetsTableTextBlock" xlink:to="ptgef_ScheduleOfDeferredTaxAssetsTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ScheduleOfDeferredTaxAssetsTableTextBlock_lbl" xml:lang="en-US">Schedule of deferred tax assets and liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:label="ptgef_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:to="ptgef_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_lbl" xml:lang="en-US">Schedule of inputs associated with calculating the fair value</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfTermsStockOptionReserveTableTextBlock" xlink:label="ptgef_ScheduleOfTermsStockOptionReserveTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfTermsStockOptionReserveTableTextBlock" xlink:to="ptgef_ScheduleOfTermsStockOptionReserveTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ScheduleOfTermsStockOptionReserveTableTextBlock_lbl" xml:lang="en-US">Schedule of stock option reserve</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:label="ptgef_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:to="ptgef_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" xml:lang="en-US">Schedule of share options issued and outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfWeightedAverageAssumptionsTableTextBlock" xlink:label="ptgef_ScheduleOfWeightedAverageAssumptionsTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfWeightedAverageAssumptionsTableTextBlock" xlink:to="ptgef_ScheduleOfWeightedAverageAssumptionsTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ScheduleOfWeightedAverageAssumptionsTableTextBlock_lbl" xml:lang="en-US">Schedule of weighted-average estimated fair value of share options</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory" xlink:label="ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory" xlink:to="ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory_lbl" xml:lang="en-US">Schedule of weighted average exercise price and the remaining contractual life</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfShareBasedCompensationStocksOptionsAndStockAppreciationRightsAwardActivityTableTextBlock" xlink:label="ptgef_ScheduleOfShareBasedCompensationStocksOptionsAndStockAppreciationRightsAwardActivityTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfShareBasedCompensationStocksOptionsAndStockAppreciationRightsAwardActivityTableTextBlock" xlink:to="ptgef_ScheduleOfShareBasedCompensationStocksOptionsAndStockAppreciationRightsAwardActivityTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ScheduleOfShareBasedCompensationStocksOptionsAndStockAppreciationRightsAwardActivityTableTextBlock_lbl" xml:lang="en-US">Schedule of Share options granted and outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfEarningsPerShareTableTextBlock" xlink:label="ptgef_ScheduleOfEarningsPerShareTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfEarningsPerShareTableTextBlock" xlink:to="ptgef_ScheduleOfEarningsPerShareTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ScheduleOfEarningsPerShareTableTextBlock_lbl" xml:lang="en-US">Schedule of loss and share data used in the basic and diluted EPS calculations</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfAntiDilutiveEffectTableTextBlock" xlink:label="ptgef_ScheduleOfAntiDilutiveEffectTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfAntiDilutiveEffectTableTextBlock" xlink:to="ptgef_ScheduleOfAntiDilutiveEffectTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_ScheduleOfAntiDilutiveEffectTableTextBlock_lbl" xml:lang="en-US">Schedule of anti-dilutive effect on loss per share</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfCompensationPayableTableTextBlock" xlink:label="ptgef_ScheduleOfCompensationPayableTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfCompensationPayableTableTextBlock" xlink:to="ptgef_ScheduleOfCompensationPayableTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ScheduleOfCompensationPayableTableTextBlock_lbl" xml:lang="en-US">Schedule of compensation payable</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfAuditorsRemunerationExplanatory" xlink:label="ifrs-full_DisclosureOfAuditorsRemunerationExplanatory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfAuditorsRemunerationExplanatory" xlink:to="ifrs-full_DisclosureOfAuditorsRemunerationExplanatory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfAuditorsRemunerationExplanatory_lbl" xml:lang="en-US">Schedule of Compensation</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfOutstandingEquityAwardsTableTextBlock" xlink:label="ptgef_ScheduleOfOutstandingEquityAwardsTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfOutstandingEquityAwardsTableTextBlock" xlink:to="ptgef_ScheduleOfOutstandingEquityAwardsTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ScheduleOfOutstandingEquityAwardsTableTextBlock_lbl" xml:lang="en-US">Schedule of outstanding equity awards</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfFinancialAssetsAndFinancialLiabilitiesTableTextBlock" xlink:label="ptgef_ScheduleOfFinancialAssetsAndFinancialLiabilitiesTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfFinancialAssetsAndFinancialLiabilitiesTableTextBlock" xlink:to="ptgef_ScheduleOfFinancialAssetsAndFinancialLiabilitiesTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ScheduleOfFinancialAssetsAndFinancialLiabilitiesTableTextBlock_lbl" xml:lang="en-US">[custom:ScheduleOfFinancialAssetsAndFinancialLiabilitiesTableTextBlock]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LiabilitiesMeasuredFairValueRecurringBasisTableTextBlock" xlink:label="ptgef_LiabilitiesMeasuredFairValueRecurringBasisTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LiabilitiesMeasuredFairValueRecurringBasisTableTextBlock" xlink:to="ptgef_LiabilitiesMeasuredFairValueRecurringBasisTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_LiabilitiesMeasuredFairValueRecurringBasisTableTextBlock_lbl" xml:lang="en-US">Schedule of liabilities measured at fair value on a recurring basis</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfSegmentReportingTableTextBlock" xlink:label="ptgef_ScheduleOfSegmentReportingTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfSegmentReportingTableTextBlock" xlink:to="ptgef_ScheduleOfSegmentReportingTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ScheduleOfSegmentReportingTableTextBlock_lbl" xml:lang="en-US">Schedule of segment reporting</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ScheduleOfNoncontrollingInterestTableTextBlock" xlink:label="ptgef_ScheduleOfNoncontrollingInterestTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ScheduleOfNoncontrollingInterestTableTextBlock" xlink:to="ptgef_ScheduleOfNoncontrollingInterestTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ScheduleOfNoncontrollingInterestTableTextBlock_lbl" xml:lang="en-US">Schedule of non-controlling interest</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_Cash" xlink:label="ifrs-full_Cash" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Cash" xlink:to="ifrs-full_Cash_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Cash_lbl" xml:lang="en-US">Cash</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_TotalCurrentLiabilities" xlink:label="ptgef_TotalCurrentLiabilities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TotalCurrentLiabilities" xlink:to="ptgef_TotalCurrentLiabilities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_TotalCurrentLiabilities_lbl" xml:lang="en-US">Total Current Liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_NetLossIncome" xlink:label="ptgef_NetLossIncome" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NetLossIncome" xlink:to="ptgef_NetLossIncome_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_NetLossIncome_lbl" xml:lang="en-US">Net Loss Income</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_CashUsedInOperatingActivities" xlink:label="ptgef_CashUsedInOperatingActivities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_CashUsedInOperatingActivities" xlink:to="ptgef_CashUsedInOperatingActivities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_CashUsedInOperatingActivities_lbl" xml:lang="en-US">Cash Used In Operating Activities</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_CashCashEquivalents" xlink:label="ptgef_CashCashEquivalents" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_CashCashEquivalents" xlink:to="ptgef_CashCashEquivalents_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_CashCashEquivalents_lbl" xml:lang="en-US">cash, cash equivalents</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_RestrictedCashOnHand" xlink:label="ptgef_RestrictedCashOnHand" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_RestrictedCashOnHand" xlink:to="ptgef_RestrictedCashOnHand_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_RestrictedCashOnHand_lbl" xml:lang="en-US">Restricted cash on hand</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable" xlink:to="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesTable_lbl" xml:lang="en-US">Disclosure of subsidiaries [table]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProportionOfVotingPowerHeldInSubsidiary" xlink:label="ifrs-full_ProportionOfVotingPowerHeldInSubsidiary" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProportionOfVotingPowerHeldInSubsidiary" xlink:to="ifrs-full_ProportionOfVotingPowerHeldInSubsidiary_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProportionOfVotingPowerHeldInSubsidiary_lbl" xml:lang="en-US">Percentage of outstanding shares</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:label="ifrs-full_ProportionOfOwnershipInterestInSubsidiary" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProportionOfOwnershipInterestInSubsidiary" xlink:to="ifrs-full_ProportionOfOwnershipInterestInSubsidiary_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProportionOfOwnershipInterestInSubsidiary_lbl" xml:lang="en-US">Percentage of ownership subsidiary</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests" xlink:label="ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests" xlink:to="ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ProportionOfOwnershipInterestsHeldByNoncontrollingInterests_lbl" xml:lang="en-US">Non-controlling interest</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_NoncontrollingInterestIncreasedUponConversion" xlink:label="ptgef_NoncontrollingInterestIncreasedUponConversion" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NoncontrollingInterestIncreasedUponConversion" xlink:to="ptgef_NoncontrollingInterestIncreasedUponConversion_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_NoncontrollingInterestIncreasedUponConversion_lbl" xml:lang="en-US">Non-controlling interest increased upon conversion</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareTable" xlink:label="ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareTable" xlink:to="ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfInstrumentsWithPotentialFutureDilutiveEffectNotIncludedInCalculationOfDilutedEarningsPerShareTable_lbl" xml:lang="en-US">Disclosure of instruments with potential future dilutive effect not included in calculation of diluted earnings per share [table]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfPotentialOrdinarySharesThatAreAntidilutiveInPeriodPresented" xlink:label="ifrs-full_NumberOfPotentialOrdinarySharesThatAreAntidilutiveInPeriodPresented" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfPotentialOrdinarySharesThatAreAntidilutiveInPeriodPresented" xlink:to="ifrs-full_NumberOfPotentialOrdinarySharesThatAreAntidilutiveInPeriodPresented_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfPotentialOrdinarySharesThatAreAntidilutiveInPeriodPresented_lbl" xml:lang="en-US">Anti-dilutive effect on loss per share</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InvestmentProperty" xlink:label="ifrs-full_InvestmentProperty" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InvestmentProperty" xlink:to="ifrs-full_InvestmentProperty_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InvestmentProperty_lbl" xml:lang="en-US">Investments</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_CashRestrictedForUse" xlink:label="ptgef_CashRestrictedForUse" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_CashRestrictedForUse" xlink:to="ptgef_CashRestrictedForUse_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_CashRestrictedForUse_lbl" xml:lang="en-US">Cash restricted for use</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentReceivablesFromSaleOfProperties" xlink:label="ifrs-full_CurrentReceivablesFromSaleOfProperties" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentReceivablesFromSaleOfProperties" xlink:to="ifrs-full_CurrentReceivablesFromSaleOfProperties_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentReceivablesFromSaleOfProperties_lbl" xml:lang="en-US">Prepaid clinical research costs</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentAdvancesToSuppliers" xlink:label="ifrs-full_CurrentAdvancesToSuppliers" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentAdvancesToSuppliers" xlink:to="ifrs-full_CurrentAdvancesToSuppliers_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentAdvancesToSuppliers_lbl" xml:lang="en-US">Prepaid insurance</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentPrepaidExpenses" xlink:label="ifrs-full_CurrentPrepaidExpenses" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentPrepaidExpenses" xlink:to="ifrs-full_CurrentPrepaidExpenses_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentPrepaidExpenses_lbl" xml:lang="en-US">Other prepaid expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PrepaidInvestorRelations" xlink:label="ptgef_PrepaidInvestorRelations" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PrepaidInvestorRelations" xlink:to="ptgef_PrepaidInvestorRelations_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PrepaidInvestorRelations_lbl" xml:lang="en-US">Prepaid investor relations</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_TaxDeposits" xlink:label="ptgef_TaxDeposits" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TaxDeposits" xlink:to="ptgef_TaxDeposits_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_TaxDeposits_lbl" xml:lang="en-US">Tax deposits</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PrepaidGpuInfrastructureCosts" xlink:label="ptgef_PrepaidGpuInfrastructureCosts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PrepaidGpuInfrastructureCosts" xlink:to="ptgef_PrepaidGpuInfrastructureCosts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PrepaidGpuInfrastructureCosts_lbl" xml:lang="en-US">Prepaid GPU infrastructure costs</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PrepaidGpuLeasesShortterm" xlink:label="ptgef_PrepaidGpuLeasesShortterm" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PrepaidGpuLeasesShortterm" xlink:to="ptgef_PrepaidGpuLeasesShortterm_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PrepaidGpuLeasesShortterm_lbl" xml:lang="en-US">Prepaid GPU leases, short-term</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherCurrentReceivables" xlink:label="ifrs-full_OtherCurrentReceivables" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherCurrentReceivables" xlink:to="ifrs-full_OtherCurrentReceivables_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherCurrentReceivables_lbl" xml:lang="en-US">Other receivables</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_TotalPrepaidExpensesAndOtherReceivables" xlink:label="ptgef_TotalPrepaidExpensesAndOtherReceivables" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TotalPrepaidExpensesAndOtherReceivables" xlink:to="ptgef_TotalPrepaidExpensesAndOtherReceivables_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_TotalPrepaidExpensesAndOtherReceivables_lbl" xml:lang="en-US">&#160;&#160;Total prepaid expenses and other receivables</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_OtherAssetsLongTermPortion" xlink:label="ptgef_OtherAssetsLongTermPortion" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_OtherAssetsLongTermPortion" xlink:to="ptgef_OtherAssetsLongTermPortion_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_OtherAssetsLongTermPortion_lbl" xml:lang="en-US">Other assets long term portion</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SecurityDeposits" xlink:label="ptgef_SecurityDeposits" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SecurityDeposits" xlink:to="ptgef_SecurityDeposits_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SecurityDeposits_lbl" xml:lang="en-US">Security deposits</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinancialInstrumentsTable" xlink:to="ifrs-full_DisclosureOfFinancialInstrumentsTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinancialInstrumentsTable_lbl" xml:lang="en-US">Disclosure of detailed information about financial instruments [table]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_Stablecoins" xlink:label="ptgef_Stablecoins" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_Stablecoins" xlink:to="ptgef_Stablecoins_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_Stablecoins_lbl" xml:lang="en-US">stablecoins</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable" xlink:to="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesTable_lbl" xml:lang="en-US">Disclosure of transactions between related parties [table]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DigitalAssetValueAsOfApril1" xlink:label="ptgef_DigitalAssetValueAsOfApril1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DigitalAssetValueAsOfApril1" xlink:to="ptgef_DigitalAssetValueAsOfApril1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DigitalAssetValueAsOfApril1_lbl" xml:lang="en-US">Digital asset value as of April 1</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ContributionOfStablecoin" xlink:to="ptgef_ContributionOfStablecoin_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_ContributionOfStablecoin_2_lbl" xml:lang="en-US">Contribution of Stablecoin</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ProceedsFromSaleOfDigitalAssets" xlink:label="ptgef_ProceedsFromSaleOfDigitalAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ProceedsFromSaleOfDigitalAssets" xlink:to="ptgef_ProceedsFromSaleOfDigitalAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ProceedsFromSaleOfDigitalAssets_lbl" xml:lang="en-US">Proceeds from sale of digital assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_StablecoinUsedToSettleOperatingCosts" xlink:label="ptgef_StablecoinUsedToSettleOperatingCosts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_StablecoinUsedToSettleOperatingCosts" xlink:to="ptgef_StablecoinUsedToSettleOperatingCosts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_StablecoinUsedToSettleOperatingCosts_lbl" xml:lang="en-US">Stablecoin used to settle operating costs</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_StablecoinSold" xlink:label="ptgef_StablecoinSold" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_StablecoinSold" xlink:to="ptgef_StablecoinSold_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_StablecoinSold_lbl" xml:lang="en-US">Stablecoin sold</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ProceedsFromExternalDebtDrawdown" xlink:label="ptgef_ProceedsFromExternalDebtDrawdown" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ProceedsFromExternalDebtDrawdown" xlink:to="ptgef_ProceedsFromExternalDebtDrawdown_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ProceedsFromExternalDebtDrawdown_lbl" xml:lang="en-US">Proceeds from external debt drawdown</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PurchasesOfStablecoin" xlink:to="ptgef_PurchasesOfStablecoin_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PurchasesOfStablecoin_2_lbl" xml:lang="en-US">Purchases of stablecoin</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_StablecoinValueAsOfMarch31" xlink:label="ptgef_StablecoinValueAsOfMarch31" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_StablecoinValueAsOfMarch31" xlink:to="ptgef_StablecoinValueAsOfMarch31_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_StablecoinValueAsOfMarch31_lbl" xml:lang="en-US">Stablecoin value as of March 31</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ApproximateNumberOfTonTokensHeld" xlink:label="ptgef_ApproximateNumberOfTonTokensHeld" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ApproximateNumberOfTonTokensHeld" xlink:to="ptgef_ApproximateNumberOfTonTokensHeld_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ApproximateNumberOfTonTokensHeld_lbl" xml:lang="en-US">Approximate number of TON Tokens held</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_TonTokensFairValueInThousands" xlink:label="ptgef_TonTokensFairValueInThousands" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TonTokensFairValueInThousands" xlink:to="ptgef_TonTokensFairValueInThousands_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_TonTokensFairValueInThousands_lbl" xml:lang="en-US">TON Tokens, fair value (in thousands)</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DigitalAssetsFairValueInThousands" xlink:label="ptgef_DigitalAssetsFairValueInThousands" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DigitalAssetsFairValueInThousands" xlink:to="ptgef_DigitalAssetsFairValueInThousands_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DigitalAssetsFairValueInThousands_lbl" xml:lang="en-US">Digital assets, fair value (in thousands)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityTable" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityTable" xlink:to="ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfIntangibleAssetsMaterialToEntityTable_lbl" xml:lang="en-US">Disclosure of intangible assets material to entity [table]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_UnrealizedLossesOnDigitalAssetsRecognizedInStatementOfOperations" xlink:label="ptgef_UnrealizedLossesOnDigitalAssetsRecognizedInStatementOfOperations" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_UnrealizedLossesOnDigitalAssetsRecognizedInStatementOfOperations" xlink:to="ptgef_UnrealizedLossesOnDigitalAssetsRecognizedInStatementOfOperations_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_UnrealizedLossesOnDigitalAssetsRecognizedInStatementOfOperations_lbl" xml:lang="en-US">Unrealized losses on digital assets recognized in Statement of Operations</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DigitalAssetsSold" xlink:label="ptgef_DigitalAssetsSold" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DigitalAssetsSold" xlink:to="ptgef_DigitalAssetsSold_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DigitalAssetsSold_lbl" xml:lang="en-US">Digital assets sold</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DigitalAssetPurchases" xlink:label="ptgef_DigitalAssetPurchases" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DigitalAssetPurchases" xlink:to="ptgef_DigitalAssetPurchases_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DigitalAssetPurchases_lbl" xml:lang="en-US">Digital asset purchases</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ReceiptOfDigitalAssetsReceivable" xlink:label="ptgef_ReceiptOfDigitalAssetsReceivable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ReceiptOfDigitalAssetsReceivable" xlink:to="ptgef_ReceiptOfDigitalAssetsReceivable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ReceiptOfDigitalAssetsReceivable_lbl" xml:lang="en-US">Receipt of digital assets receivable</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_RealizedLossGainOnSaleOfDigitalAssets" xlink:label="ptgef_RealizedLossGainOnSaleOfDigitalAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_RealizedLossGainOnSaleOfDigitalAssets" xlink:to="ptgef_RealizedLossGainOnSaleOfDigitalAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_RealizedLossGainOnSaleOfDigitalAssets_lbl" xml:lang="en-US">Realized (loss) gain on sale of digital assets</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_RealizedLossOnNovationOfDigitalAssetsToInvestor" xlink:to="ptgef_RealizedLossOnNovationOfDigitalAssetsToInvestor_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_RealizedLossOnNovationOfDigitalAssetsToInvestor_2_lbl" xml:lang="en-US">Realized loss on novation of digital assets to investor</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_RevenueReceivedInDigitalAssets" xlink:label="ptgef_RevenueReceivedInDigitalAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_RevenueReceivedInDigitalAssets" xlink:to="ptgef_RevenueReceivedInDigitalAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_RevenueReceivedInDigitalAssets_lbl" xml:lang="en-US">Revenue received in digital assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_TokensUsedToSettlePutRights" xlink:label="ptgef_TokensUsedToSettlePutRights" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TokensUsedToSettlePutRights" xlink:to="ptgef_TokensUsedToSettlePutRights_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_TokensUsedToSettlePutRights_lbl" xml:lang="en-US">Tokens used to settle put rights</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DigitalAssetsExchanged" xlink:label="ptgef_DigitalAssetsExchanged" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DigitalAssetsExchanged" xlink:to="ptgef_DigitalAssetsExchanged_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DigitalAssetsExchanged_lbl" xml:lang="en-US">Digital assets exchanged</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DigitalAssetsTransacted" xlink:label="ptgef_DigitalAssetsTransacted" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DigitalAssetsTransacted" xlink:to="ptgef_DigitalAssetsTransacted_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DigitalAssetsTransacted_lbl" xml:lang="en-US">Digital assets transacted</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DigitalAssetValueAsOfMarch31" xlink:label="ptgef_DigitalAssetValueAsOfMarch31" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DigitalAssetValueAsOfMarch31" xlink:to="ptgef_DigitalAssetValueAsOfMarch31_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DigitalAssetValueAsOfMarch31_lbl" xml:lang="en-US">Digital asset value as of March 31</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_CapitalFutureMinimumPaymentsRemainderOfFiscalYear" xlink:label="ptgef_CapitalFutureMinimumPaymentsRemainderOfFiscalYear" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_CapitalFutureMinimumPaymentsRemainderOfFiscalYear" xlink:to="ptgef_CapitalFutureMinimumPaymentsRemainderOfFiscalYear_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_CapitalFutureMinimumPaymentsRemainderOfFiscalYear_lbl" xml:lang="en-US">Fiscal 2027</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_CapitalFutureMinimumPaymentsRemainderOfSecondYear" xlink:label="ptgef_CapitalFutureMinimumPaymentsRemainderOfSecondYear" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_CapitalFutureMinimumPaymentsRemainderOfSecondYear" xlink:to="ptgef_CapitalFutureMinimumPaymentsRemainderOfSecondYear_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_CapitalFutureMinimumPaymentsRemainderOfSecondYear_lbl" xml:lang="en-US">Fiscal 2028</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_CapitalFutureMinimumPaymentsRemainderOfThirdYear" xlink:label="ptgef_CapitalFutureMinimumPaymentsRemainderOfThirdYear" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_CapitalFutureMinimumPaymentsRemainderOfThirdYear" xlink:to="ptgef_CapitalFutureMinimumPaymentsRemainderOfThirdYear_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_CapitalFutureMinimumPaymentsRemainderOfThirdYear_lbl" xml:lang="en-US">Fiscal 2029</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_CapitalFutureMinimumPaymentsRemainderOfTotalYear" xlink:label="ptgef_CapitalFutureMinimumPaymentsRemainderOfTotalYear" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_CapitalFutureMinimumPaymentsRemainderOfTotalYear" xlink:to="ptgef_CapitalFutureMinimumPaymentsRemainderOfTotalYear_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_CapitalFutureMinimumPaymentsRemainderOfTotalYear_lbl" xml:lang="en-US">total&#160;</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ContributionOfDigitalAssetAndStablecoinReceivables" xlink:label="ptgef_ContributionOfDigitalAssetAndStablecoinReceivables" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ContributionOfDigitalAssetAndStablecoinReceivables" xlink:to="ptgef_ContributionOfDigitalAssetAndStablecoinReceivables_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ContributionOfDigitalAssetAndStablecoinReceivables_lbl" xml:lang="en-US">Contribution of digital asset and stablecoin receivables</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ChangeInFairValueOfDigitalAssetsReceivable" xlink:label="ptgef_ChangeInFairValueOfDigitalAssetsReceivable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ChangeInFairValueOfDigitalAssetsReceivable" xlink:to="ptgef_ChangeInFairValueOfDigitalAssetsReceivable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ChangeInFairValueOfDigitalAssetsReceivable_lbl" xml:lang="en-US">Change in fair value of digital assets receivable</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ReceiptOfDigitalAssetReceivables" xlink:label="ptgef_ReceiptOfDigitalAssetReceivables" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ReceiptOfDigitalAssetReceivables" xlink:to="ptgef_ReceiptOfDigitalAssetReceivables_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ReceiptOfDigitalAssetReceivables_lbl" xml:lang="en-US">Receipt of digital asset receivables</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_StablecoinValueAsOfSeptember30" xlink:label="ptgef_StablecoinValueAsOfSeptember30" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_StablecoinValueAsOfSeptember30" xlink:to="ptgef_StablecoinValueAsOfSeptember30_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_StablecoinValueAsOfSeptember30_lbl" xml:lang="en-US">Stablecoin value as of September 30</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DigitalAssets" xlink:label="ptgef_DigitalAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DigitalAssets" xlink:to="ptgef_DigitalAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DigitalAssets_lbl" xml:lang="en-US">Digital assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_TonTokensReceivable" xlink:label="ptgef_TonTokensReceivable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TonTokensReceivable" xlink:to="ptgef_TonTokensReceivable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_TonTokensReceivable_lbl" xml:lang="en-US">TON tokens receivable</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_TonTokensReceivableShares" xlink:label="ptgef_TonTokensReceivableShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TonTokensReceivableShares" xlink:to="ptgef_TonTokensReceivableShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_TonTokensReceivableShares_lbl" xml:lang="en-US">TON tokens receivable shares</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_TokensArePayable" xlink:label="ptgef_TokensArePayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TokensArePayable" xlink:to="ptgef_TokensArePayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_TokensArePayable_lbl" xml:lang="en-US">Tokens are payable</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable" xlink:to="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfPropertyPlantAndEquipmentTable_lbl" xml:lang="en-US">Disclosure of detailed information about property, plant and equipment [table]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets" xlink:label="ifrs-full_PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets" xlink:to="ifrs-full_PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets_lbl" xml:lang="en-US">As of March 31, 2025</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdditionsToRightofuseAssets" xlink:label="ifrs-full_AdditionsToRightofuseAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdditionsToRightofuseAssets" xlink:to="ifrs-full_AdditionsToRightofuseAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdditionsToRightofuseAssets_lbl" xml:lang="en-US">Fixed asset additions</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:label="ifrs-full_DisposalsPropertyPlantAndEquipment" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisposalsPropertyPlantAndEquipment" xlink:to="ifrs-full_DisposalsPropertyPlantAndEquipment_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisposalsPropertyPlantAndEquipment_lbl" xml:lang="en-US">Fixed asset disposals</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets" xlink:to="ifrs-full_PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_PropertyPlantAndEquipmentCarryingAmountAtCostOfRevaluedAssets_2_lbl" xml:lang="en-US">As of March 31, 2026</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AccumulatedDepreciationPropertyPlantAndEquipment" xlink:label="ptgef_AccumulatedDepreciationPropertyPlantAndEquipment" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AccumulatedDepreciationPropertyPlantAndEquipment" xlink:to="ptgef_AccumulatedDepreciationPropertyPlantAndEquipment_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ptgef_AccumulatedDepreciationPropertyPlantAndEquipment_lbl" xml:lang="en-US">As of March 31, 2025</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_FixedAssetDepreciation" xlink:label="ptgef_FixedAssetDepreciation" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_FixedAssetDepreciation" xlink:to="ptgef_FixedAssetDepreciation_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_FixedAssetDepreciation_lbl" xml:lang="en-US">Fixed asset depreciation</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_FixedAssetDisposals" xlink:label="ptgef_FixedAssetDisposals" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_FixedAssetDisposals" xlink:to="ptgef_FixedAssetDisposals_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_FixedAssetDisposals_lbl" xml:lang="en-US">Fixed asset disposals</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AccumulatedDepreciationPropertyPlantAndEquipment" xlink:to="ptgef_AccumulatedDepreciationPropertyPlantAndEquipment_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ptgef_AccumulatedDepreciationPropertyPlantAndEquipment_2_lbl" xml:lang="en-US">As of March 31, 2026</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PropertyPlantAndEquipment" xlink:to="ifrs-full_PropertyPlantAndEquipment_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_PropertyPlantAndEquipment_2_lbl" xml:lang="en-US">Property plant equipment carrying amount</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_BalanceAsOfApril1" xlink:label="ptgef_BalanceAsOfApril1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_BalanceAsOfApril1" xlink:to="ptgef_BalanceAsOfApril1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_BalanceAsOfApril1_lbl" xml:lang="en-US">Balance as of April 1</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_InitialInvestmentInCompedica" xlink:label="ptgef_InitialInvestmentInCompedica" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_InitialInvestmentInCompedica" xlink:to="ptgef_InitialInvestmentInCompedica_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_InitialInvestmentInCompedica_lbl" xml:lang="en-US">Initial investment in Compedica</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LossFromEquityMethodInvestment" xlink:to="ptgef_LossFromEquityMethodInvestment_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_LossFromEquityMethodInvestment_2_lbl" xml:lang="en-US">Loss from equity method investment</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LossOnImpairment" xlink:label="ptgef_LossOnImpairment" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LossOnImpairment" xlink:to="ptgef_LossOnImpairment_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_LossOnImpairment_lbl" xml:lang="en-US">Loss on impairment</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ChangeInFairValueOfInvestmentInCompedica" xlink:label="ptgef_ChangeInFairValueOfInvestmentInCompedica" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ChangeInFairValueOfInvestmentInCompedica" xlink:to="ptgef_ChangeInFairValueOfInvestmentInCompedica_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ChangeInFairValueOfInvestmentInCompedica_lbl" xml:lang="en-US">Change in fair value of investment in Compedica</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ReturnOfInvestmentInterestToCompedica" xlink:label="ptgef_ReturnOfInvestmentInterestToCompedica" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ReturnOfInvestmentInterestToCompedica" xlink:to="ptgef_ReturnOfInvestmentInterestToCompedica_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ReturnOfInvestmentInterestToCompedica_lbl" xml:lang="en-US">Return of investment interest to Compedica</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_InvestmentInCompedicaAsOfMarch31" xlink:label="ptgef_InvestmentInCompedicaAsOfMarch31" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_InvestmentInCompedicaAsOfMarch31" xlink:to="ptgef_InvestmentInCompedicaAsOfMarch31_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_InvestmentInCompedicaAsOfMarch31_lbl" xml:lang="en-US">Investment in Compedica as of March 31</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpectedReimbursementOtherProvisions" xlink:label="ifrs-full_ExpectedReimbursementOtherProvisions" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExpectedReimbursementOtherProvisions" xlink:to="ifrs-full_ExpectedReimbursementOtherProvisions_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ExpectedReimbursementOtherProvisions_lbl" xml:lang="en-US">reimbursement of expenses</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ImpairmentLoss" xlink:to="ifrs-full_ImpairmentLoss_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ImpairmentLoss_2_lbl" xml:lang="en-US">Loss on impairment</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ChangeInFairValueOnInvestmentInCompedica" xlink:label="ptgef_ChangeInFairValueOnInvestmentInCompedica" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ChangeInFairValueOnInvestmentInCompedica" xlink:to="ptgef_ChangeInFairValueOnInvestmentInCompedica_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ChangeInFairValueOnInvestmentInCompedica_lbl" xml:lang="en-US">Change in fair value on the investment in Compedica</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_FairValueOfWarrantsAtIssuanceExercisePrice" xlink:label="ptgef_FairValueOfWarrantsAtIssuanceExercisePrice" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_FairValueOfWarrantsAtIssuanceExercisePrice" xlink:to="ptgef_FairValueOfWarrantsAtIssuanceExercisePrice_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_FairValueOfWarrantsAtIssuanceExercisePrice_lbl" xml:lang="en-US">Fair value of warrants at issuance exercise price</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_FairValueOfWarrantsShares" xlink:label="ptgef_FairValueOfWarrantsShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_FairValueOfWarrantsShares" xlink:to="ptgef_FairValueOfWarrantsShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_FairValueOfWarrantsShares_lbl" xml:lang="en-US">Fair value of warrants shares</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_FairValueOfWarrantsAmount" xlink:label="ptgef_FairValueOfWarrantsAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_FairValueOfWarrantsAmount" xlink:to="ptgef_FairValueOfWarrantsAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_FairValueOfWarrantsAmount_lbl" xml:lang="en-US">Fair value of warrants amount</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ChangeInFairValueOfWarrantLiabilityAmount" xlink:label="ptgef_ChangeInFairValueOfWarrantLiabilityAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ChangeInFairValueOfWarrantLiabilityAmount" xlink:to="ptgef_ChangeInFairValueOfWarrantLiabilityAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ChangeInFairValueOfWarrantLiabilityAmount_lbl" xml:lang="en-US">Change in fair value of warrant liability, amount</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_WarrantsLiabilityShares" xlink:label="ptgef_WarrantsLiabilityShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_WarrantsLiabilityShares" xlink:to="ptgef_WarrantsLiabilityShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ptgef_WarrantsLiabilityShares_lbl" xml:lang="en-US">Warrants outstanding, shares at ending</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_WarrantsLiabilityFairValue" xlink:label="ptgef_WarrantsLiabilityFairValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_WarrantsLiabilityFairValue" xlink:to="ptgef_WarrantsLiabilityFairValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ptgef_WarrantsLiabilityFairValue_lbl" xml:lang="en-US">Warrants outstanding, fair value at ending</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_WarrantsLiabilityShares" xlink:to="ptgef_WarrantsLiabilityShares_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ptgef_WarrantsLiabilityShares_2_lbl" xml:lang="en-US">Warrants outstanding, shares at ending</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_WarrantsLiabilityFairValue" xlink:to="ptgef_WarrantsLiabilityFairValue_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ptgef_WarrantsLiabilityFairValue_2_lbl" xml:lang="en-US">Warrants outstanding, fair value at ending</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ExercisePriceFairValue" xlink:label="ptgef_ExercisePriceFairValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ExercisePriceFairValue" xlink:to="ptgef_ExercisePriceFairValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ExercisePriceFairValue_lbl" xml:lang="en-US">Exercise price</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharePriceFairvalue" xlink:label="ptgef_SharePriceFairvalue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharePriceFairvalue" xlink:to="ptgef_SharePriceFairvalue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SharePriceFairvalue_lbl" xml:lang="en-US">Share price</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_OptionLifeShareOptions" xlink:label="ptgef_OptionLifeShareOptions" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_OptionLifeShareOptions" xlink:to="ptgef_OptionLifeShareOptions_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_OptionLifeShareOptions_lbl" xml:lang="en-US">Expected life</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:label="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:to="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_lbl" xml:lang="en-US">Expected volatility</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:label="ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted" xlink:to="ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DescriptionOfRiskFreeInterestRateShareOptionsGranted_lbl" xml:lang="en-US">Risk free interest rate</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:label="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:to="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted_lbl" xml:lang="en-US">Expected dividend</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_FairValueOfWarrantPerShare" xlink:label="ptgef_FairValueOfWarrantPerShare" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_FairValueOfWarrantPerShare" xlink:to="ptgef_FairValueOfWarrantPerShare_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_FairValueOfWarrantPerShare_lbl" xml:lang="en-US">Fair value of warrant per share</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ExercisePriceOfOutstandingShareOptions2019" xlink:label="ifrs-full_ExercisePriceOfOutstandingShareOptions2019" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExercisePriceOfOutstandingShareOptions2019" xlink:to="ifrs-full_ExercisePriceOfOutstandingShareOptions2019_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ExercisePriceOfOutstandingShareOptions2019_lbl" xml:lang="en-US">Alp shares and ton correlation factor</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US">Share price</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PutRightLiabilityemainingTermInYears" xlink:label="ptgef_PutRightLiabilityemainingTermInYears" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PutRightLiabilityemainingTermInYears" xlink:to="ptgef_PutRightLiabilityemainingTermInYears_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PutRightLiabilityemainingTermInYears_lbl" xml:lang="en-US">Remaining term (in years)</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted" xlink:to="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DescriptionOfExpectedVolatilityShareOptionsGranted_2_lbl" xml:lang="en-US">Expected ALP volatility</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:to="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted_2_lbl" xml:lang="en-US">ALP dividend yield</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_TonTokenPrice" xlink:label="ptgef_TonTokenPrice" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TonTokenPrice" xlink:to="ptgef_TonTokenPrice_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_TonTokenPrice_lbl" xml:lang="en-US">TON token price</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LockedTonTokenDiscountForLackOfMarketabilityRate" xlink:label="ptgef_LockedTonTokenDiscountForLackOfMarketabilityRate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LockedTonTokenDiscountForLackOfMarketabilityRate" xlink:to="ptgef_LockedTonTokenDiscountForLackOfMarketabilityRate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_LockedTonTokenDiscountForLackOfMarketabilityRate_lbl" xml:lang="en-US">Locked TON token discount for lack of marketability rate</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_BalanceOfPutRightLiability" xlink:label="ptgef_BalanceOfPutRightLiability" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_BalanceOfPutRightLiability" xlink:to="ptgef_BalanceOfPutRightLiability_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_BalanceOfPutRightLiability_lbl" xml:lang="en-US">Balance as of April 1</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DecreaseThroughRightToConsiderationBecomingUnconditionalContractAssets" xlink:label="ifrs-full_DecreaseThroughRightToConsiderationBecomingUnconditionalContractAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DecreaseThroughRightToConsiderationBecomingUnconditionalContractAssets" xlink:to="ifrs-full_DecreaseThroughRightToConsiderationBecomingUnconditionalContractAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DecreaseThroughRightToConsiderationBecomingUnconditionalContractAssets_lbl" xml:lang="en-US">Put right recognition at contract inception</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:label="ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives" xlink:to="ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives_lbl" xml:lang="en-US">Change in fair value of put right liability, net of redemptions</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromExerciseOfOptions" xlink:label="ifrs-full_ProceedsFromExerciseOfOptions" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromExerciseOfOptions" xlink:to="ifrs-full_ProceedsFromExerciseOfOptions_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProceedsFromExerciseOfOptions_lbl" xml:lang="en-US">Exercise of side letter put right</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SettlementOfDwfMaasLimitedPutRight" xlink:label="ptgef_SettlementOfDwfMaasLimitedPutRight" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SettlementOfDwfMaasLimitedPutRight" xlink:to="ptgef_SettlementOfDwfMaasLimitedPutRight_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SettlementOfDwfMaasLimitedPutRight_lbl" xml:lang="en-US">Settlement of DWF Maas Limited put right</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PutRightLiabilityEndingBalance" xlink:label="ptgef_PutRightLiabilityEndingBalance" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PutRightLiabilityEndingBalance" xlink:to="ptgef_PutRightLiabilityEndingBalance_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PutRightLiabilityEndingBalance_lbl" xml:lang="en-US">Put right liability as of March 31</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_BalanceOfTonPayable" xlink:label="ptgef_BalanceOfTonPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_BalanceOfTonPayable" xlink:to="ptgef_BalanceOfTonPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_BalanceOfTonPayable_lbl" xml:lang="en-US">Balance as of April 1</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ExerciseOfSideLetterPutRightPayable" xlink:label="ptgef_ExerciseOfSideLetterPutRightPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ExerciseOfSideLetterPutRightPayable" xlink:to="ptgef_ExerciseOfSideLetterPutRightPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_ExerciseOfSideLetterPutRightPayable_lbl" xml:lang="en-US">Exercise of side letter put right</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SettlementOfPutRightLiabilityUsingDigitalAssets" xlink:label="ptgef_SettlementOfPutRightLiabilityUsingDigitalAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SettlementOfPutRightLiabilityUsingDigitalAssets" xlink:to="ptgef_SettlementOfPutRightLiabilityUsingDigitalAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_SettlementOfPutRightLiabilityUsingDigitalAssets_lbl" xml:lang="en-US">Settlement of put right liability using digital assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_TonPayableEndingBalanceAsOfMarch31" xlink:label="ptgef_TonPayableEndingBalanceAsOfMarch31" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TonPayableEndingBalanceAsOfMarch31" xlink:to="ptgef_TonPayableEndingBalanceAsOfMarch31_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_TonPayableEndingBalanceAsOfMarch31_lbl" xml:lang="en-US">TON payable as of March 31</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_TreasuryManagementAgreementDescription" xlink:label="ptgef_TreasuryManagementAgreementDescription" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TreasuryManagementAgreementDescription" xlink:to="ptgef_TreasuryManagementAgreementDescription_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_TreasuryManagementAgreementDescription_lbl" xml:lang="en-US">Treasury Management Agreement description</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentInterestReceivable" xlink:label="ifrs-full_CurrentInterestReceivable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentInterestReceivable" xlink:to="ifrs-full_CurrentInterestReceivable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentInterestReceivable_lbl" xml:lang="en-US">Fair value of stablecoin receivable</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_FairValueOfContribution" xlink:label="ptgef_FairValueOfContribution" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_FairValueOfContribution" xlink:to="ptgef_FairValueOfContribution_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_FairValueOfContribution_lbl" xml:lang="en-US">Fair value of contribution</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_Usd1Receivable" xlink:label="ptgef_Usd1Receivable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_Usd1Receivable" xlink:to="ptgef_Usd1Receivable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_Usd1Receivable_lbl" xml:lang="en-US">USD1 receivable</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LossOnExercise" xlink:label="ptgef_LossOnExercise" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LossOnExercise" xlink:to="ptgef_LossOnExercise_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_LossOnExercise_lbl" xml:lang="en-US">loss on the exercise</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_OutstandingContingentPutOptionsFairValue" xlink:label="ptgef_OutstandingContingentPutOptionsFairValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_OutstandingContingentPutOptionsFairValue" xlink:to="ptgef_OutstandingContingentPutOptionsFairValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_OutstandingContingentPutOptionsFairValue_lbl" xml:lang="en-US">Outstanding Contingent Put Options fair value</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_RemeasurementChangeInFairValue" xlink:label="ptgef_RemeasurementChangeInFairValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_RemeasurementChangeInFairValue" xlink:to="ptgef_RemeasurementChangeInFairValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_RemeasurementChangeInFairValue_lbl" xml:lang="en-US">Remeasurement change in fair value</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AccountsPayable" xlink:label="ptgef_AccountsPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AccountsPayable" xlink:to="ptgef_AccountsPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AccountsPayable_lbl" xml:lang="en-US">Accounts payable</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AccruedOtherProfessionalFees" xlink:label="ptgef_AccruedOtherProfessionalFees" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AccruedOtherProfessionalFees" xlink:to="ptgef_AccruedOtherProfessionalFees_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AccruedOtherProfessionalFees_lbl" xml:lang="en-US">Accrued other professional fees</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AccruedAccountingAndAuditingFees" xlink:label="ptgef_AccruedAccountingAndAuditingFees" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AccruedAccountingAndAuditingFees" xlink:to="ptgef_AccruedAccountingAndAuditingFees_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AccruedAccountingAndAuditingFees_lbl" xml:lang="en-US">Accrued accounting and auditing fees</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AccruedBonusesAndOtherPayrollrelatedExpenses" xlink:label="ptgef_AccruedBonusesAndOtherPayrollrelatedExpenses" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AccruedBonusesAndOtherPayrollrelatedExpenses" xlink:to="ptgef_AccruedBonusesAndOtherPayrollrelatedExpenses_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AccruedBonusesAndOtherPayrollrelatedExpenses_lbl" xml:lang="en-US">Accrued bonuses and other payroll-related expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AccruedCRO" xlink:label="ptgef_AccruedCRO" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AccruedCRO" xlink:to="ptgef_AccruedCRO_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AccruedCRO_lbl" xml:lang="en-US">Accrued CRO</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ProfessionalFeesExpenses" xlink:label="ptgef_ProfessionalFeesExpenses" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ProfessionalFeesExpenses" xlink:to="ptgef_ProfessionalFeesExpenses_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ProfessionalFeesExpenses_lbl" xml:lang="en-US">Accrued legal fees</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AccruedClinicalAndRdServices" xlink:label="ptgef_AccruedClinicalAndRdServices" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AccruedClinicalAndRdServices" xlink:to="ptgef_AccruedClinicalAndRdServices_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AccruedClinicalAndRdServices_lbl" xml:lang="en-US">Accrued clinical and R&amp;D services</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_CapitalExpenditures" xlink:label="ptgef_CapitalExpenditures" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_CapitalExpenditures" xlink:to="ptgef_CapitalExpenditures_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_CapitalExpenditures_lbl" xml:lang="en-US">Capital expenditures</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_OtherAccruedExpenses" xlink:label="ptgef_OtherAccruedExpenses" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_OtherAccruedExpenses" xlink:to="ptgef_OtherAccruedExpenses_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_OtherAccruedExpenses_lbl" xml:lang="en-US">Other</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AccountsPayableAndAccruedLiabilityNet" xlink:label="ptgef_AccountsPayableAndAccruedLiabilityNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AccountsPayableAndAccruedLiabilityNet" xlink:to="ptgef_AccountsPayableAndAccruedLiabilityNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AccountsPayableAndAccruedLiabilityNet_lbl" xml:lang="en-US">Total accounts payable and accrued liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LeaseLiabilityFutureMinimumPaymentsDue" xlink:label="ptgef_LeaseLiabilityFutureMinimumPaymentsDue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LeaseLiabilityFutureMinimumPaymentsDue" xlink:to="ptgef_LeaseLiabilityFutureMinimumPaymentsDue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_LeaseLiabilityFutureMinimumPaymentsDue_lbl" xml:lang="en-US">2027</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LeaseLiabilityFutureMinimumPaymentsYearTwoDue" xlink:label="ptgef_LeaseLiabilityFutureMinimumPaymentsYearTwoDue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LeaseLiabilityFutureMinimumPaymentsYearTwoDue" xlink:to="ptgef_LeaseLiabilityFutureMinimumPaymentsYearTwoDue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_LeaseLiabilityFutureMinimumPaymentsYearTwoDue_lbl" xml:lang="en-US">2028</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LeaseLiabilityFutureMinimumPaymentsYearDue" xlink:label="ptgef_LeaseLiabilityFutureMinimumPaymentsYearDue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LeaseLiabilityFutureMinimumPaymentsYearDue" xlink:to="ptgef_LeaseLiabilityFutureMinimumPaymentsYearDue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_LeaseLiabilityFutureMinimumPaymentsYearDue_lbl" xml:lang="en-US">Total</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_Interest" xlink:label="ptgef_Interest" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_Interest" xlink:to="ptgef_Interest_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_Interest_lbl" xml:lang="en-US">Less: Interest</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_TotalLeaseLiability" xlink:label="ptgef_TotalLeaseLiability" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TotalLeaseLiability" xlink:to="ptgef_TotalLeaseLiability_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_TotalLeaseLiability_lbl" xml:lang="en-US">Total lease liability</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LeaseLiabilityCurrent" xlink:label="ptgef_LeaseLiabilityCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LeaseLiabilityCurrent" xlink:to="ptgef_LeaseLiabilityCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_LeaseLiabilityCurrent_lbl" xml:lang="en-US">Lease liability - current</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LeaseLiabilityNoncurrent" xlink:label="ptgef_LeaseLiabilityNoncurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LeaseLiabilityNoncurrent" xlink:to="ptgef_LeaseLiabilityNoncurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_LeaseLiabilityNoncurrent_lbl" xml:lang="en-US">Lease liability - non-current</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_Commencement" xlink:label="ptgef_Commencement" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_Commencement" xlink:to="ptgef_Commencement_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_Commencement_lbl" xml:lang="en-US">Commencement</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PurchasePriceLeaseLiability" xlink:label="ptgef_PurchasePriceLeaseLiability" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PurchasePriceLeaseLiability" xlink:to="ptgef_PurchasePriceLeaseLiability_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PurchasePriceLeaseLiability_lbl" xml:lang="en-US">Purchase price</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PurchaseEquipmentPayment" xlink:label="ptgef_PurchaseEquipmentPayment" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PurchaseEquipmentPayment" xlink:to="ptgef_PurchaseEquipmentPayment_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PurchaseEquipmentPayment_lbl" xml:lang="en-US">Purchase equipment payment</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_MasterLoanAgreementDescription" xlink:label="ptgef_MasterLoanAgreementDescription" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_MasterLoanAgreementDescription" xlink:to="ptgef_MasterLoanAgreementDescription_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_MasterLoanAgreementDescription_lbl" xml:lang="en-US">Master Loan Agreement description</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract" xlink:label="ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract" xlink:to="ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract_lbl" xml:lang="en-US">Current tax:</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_CurrentTaxOnProfitsForYear" xlink:label="ptgef_CurrentTaxOnProfitsForYear" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_CurrentTaxOnProfitsForYear" xlink:to="ptgef_CurrentTaxOnProfitsForYear_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_CurrentTaxOnProfitsForYear_lbl" xml:lang="en-US">Current tax on profits for the year</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AdjustmentsForCurrentTaxOfPriorPeriods" xlink:label="ptgef_AdjustmentsForCurrentTaxOfPriorPeriods" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AdjustmentsForCurrentTaxOfPriorPeriods" xlink:to="ptgef_AdjustmentsForCurrentTaxOfPriorPeriods_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AdjustmentsForCurrentTaxOfPriorPeriods_lbl" xml:lang="en-US">Adjustments for current tax of prior periods</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CurrentTaxExpenseIncome" xlink:label="ifrs-full_CurrentTaxExpenseIncome" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentTaxExpenseIncome" xlink:to="ifrs-full_CurrentTaxExpenseIncome_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentTaxExpenseIncome_lbl" xml:lang="en-US">Total current tax benefit</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxExpenseIncomeAbstract" xlink:label="ifrs-full_DeferredTaxExpenseIncomeAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DeferredTaxExpenseIncomeAbstract" xlink:to="ifrs-full_DeferredTaxExpenseIncomeAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DeferredTaxExpenseIncomeAbstract_lbl" xml:lang="en-US">Deferred income tax:</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DecreaseIncreaseInDeferredTaxAssets" xlink:label="ptgef_DecreaseIncreaseInDeferredTaxAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DecreaseIncreaseInDeferredTaxAssets" xlink:to="ptgef_DecreaseIncreaseInDeferredTaxAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DecreaseIncreaseInDeferredTaxAssets_lbl" xml:lang="en-US">Decrease (increase) in deferred tax assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ProfitLossFromContinuingOperation" xlink:label="ptgef_ProfitLossFromContinuingOperation" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ProfitLossFromContinuingOperation" xlink:to="ptgef_ProfitLossFromContinuingOperation_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ProfitLossFromContinuingOperation_lbl" xml:lang="en-US">Income tax benefit</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_IncomeLossOnOrdinaryActivitiesBeforeTax" xlink:label="ptgef_IncomeLossOnOrdinaryActivitiesBeforeTax" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_IncomeLossOnOrdinaryActivitiesBeforeTax" xlink:to="ptgef_IncomeLossOnOrdinaryActivitiesBeforeTax_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_IncomeLossOnOrdinaryActivitiesBeforeTax_lbl" xml:lang="en-US">Loss before income tax</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_TaxUsingBviTaxRate" xlink:label="ptgef_TaxUsingBviTaxRate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TaxUsingBviTaxRate" xlink:to="ptgef_TaxUsingBviTaxRate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_TaxUsingBviTaxRate_lbl" xml:lang="en-US">Tax using BVI tax rate of 0%</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_EffectOfTaxRatesInOtherCountries" xlink:label="ptgef_EffectOfTaxRatesInOtherCountries" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_EffectOfTaxRatesInOtherCountries" xlink:to="ptgef_EffectOfTaxRatesInOtherCountries_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_EffectOfTaxRatesInOtherCountries_lbl" xml:lang="en-US">Effect of tax rates in other countries</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DerecognitionOfDeferredTaxAssets" xlink:label="ptgef_DerecognitionOfDeferredTaxAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DerecognitionOfDeferredTaxAssets" xlink:to="ptgef_DerecognitionOfDeferredTaxAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DerecognitionOfDeferredTaxAssets_lbl" xml:lang="en-US">Derecognition of deferred tax assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_NondeductibleExpenses" xlink:label="ptgef_NondeductibleExpenses" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NondeductibleExpenses" xlink:to="ptgef_NondeductibleExpenses_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_NondeductibleExpenses_lbl" xml:lang="en-US">Nondeductible expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_UtilizationOfLossesNotPreviouslyBenefitted" xlink:label="ptgef_UtilizationOfLossesNotPreviouslyBenefitted" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_UtilizationOfLossesNotPreviouslyBenefitted" xlink:to="ptgef_UtilizationOfLossesNotPreviouslyBenefitted_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_UtilizationOfLossesNotPreviouslyBenefitted_lbl" xml:lang="en-US">Utilization of losses not previously benefitted</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_IncomeTaxEffectsRelatedToEquityCompensation" xlink:label="ptgef_IncomeTaxEffectsRelatedToEquityCompensation" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_IncomeTaxEffectsRelatedToEquityCompensation" xlink:to="ptgef_IncomeTaxEffectsRelatedToEquityCompensation_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_IncomeTaxEffectsRelatedToEquityCompensation_lbl" xml:lang="en-US">Income tax effects related to equity compensation</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ForeignCurrencyEffectAndOther" xlink:label="ptgef_ForeignCurrencyEffectAndOther" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ForeignCurrencyEffectAndOther" xlink:to="ptgef_ForeignCurrencyEffectAndOther_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ForeignCurrencyEffectAndOther_lbl" xml:lang="en-US">Foreign currency effect and other</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_IncomeTaxExpense" xlink:label="ptgef_IncomeTaxExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_IncomeTaxExpense" xlink:to="ptgef_IncomeTaxExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_IncomeTaxExpense_lbl" xml:lang="en-US">Income tax in the statement of loss</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DeferredTaxAssetsAbstract" xlink:label="ptgef_DeferredTaxAssetsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DeferredTaxAssetsAbstract" xlink:to="ptgef_DeferredTaxAssetsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DeferredTaxAssetsAbstract_lbl" xml:lang="en-US">Deferred tax assets:</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DeferredTaxAssetsNetOperatingLossCarryforward" xlink:label="ptgef_DeferredTaxAssetsNetOperatingLossCarryforward" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DeferredTaxAssetsNetOperatingLossCarryforward" xlink:to="ptgef_DeferredTaxAssetsNetOperatingLossCarryforward_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DeferredTaxAssetsNetOperatingLossCarryforward_lbl" xml:lang="en-US">Tax loss</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_StockbasedCompensation" xlink:label="ptgef_StockbasedCompensation" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_StockbasedCompensation" xlink:to="ptgef_StockbasedCompensation_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_StockbasedCompensation_lbl" xml:lang="en-US">Share-based compensation</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ReservesAndAccruals" xlink:label="ptgef_ReservesAndAccruals" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ReservesAndAccruals" xlink:to="ptgef_ReservesAndAccruals_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ReservesAndAccruals_lbl" xml:lang="en-US">Reserves and accruals</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NetDeferredTaxAssets" xlink:label="ifrs-full_NetDeferredTaxAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NetDeferredTaxAssets" xlink:to="ifrs-full_NetDeferredTaxAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ifrs-full_NetDeferredTaxAssets_lbl" xml:lang="en-US">Total deferred tax assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DeferredTaxAssetNotRecognized" xlink:label="ptgef_DeferredTaxAssetNotRecognized" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DeferredTaxAssetNotRecognized" xlink:to="ptgef_DeferredTaxAssetNotRecognized_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ptgef_DeferredTaxAssetNotRecognized_lbl" xml:lang="en-US">Deferred tax asset not recognized</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_NetDeferredTaxAsset" xlink:label="ptgef_NetDeferredTaxAsset" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NetDeferredTaxAsset" xlink:to="ptgef_NetDeferredTaxAsset_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="ptgef_NetDeferredTaxAsset_lbl" xml:lang="en-US">Net deferred tax asset</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:label="ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains" xlink:to="ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains_lbl" xml:lang="en-US">U.S. federal net operating losses</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_UkLossCarryForwards" xlink:label="ptgef_UkLossCarryForwards" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_UkLossCarryForwards" xlink:to="ptgef_UkLossCarryForwards_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_UkLossCarryForwards_lbl" xml:lang="en-US">UK Loss carry forwards</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DeferredTaxAssets" xlink:label="ifrs-full_DeferredTaxAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DeferredTaxAssets" xlink:to="ifrs-full_DeferredTaxAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DeferredTaxAssets_lbl" xml:lang="en-US">deferred tax assets</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfOffsettingOfFinancialAssetsTable" xlink:label="ifrs-full_DisclosureOfOffsettingOfFinancialAssetsTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfOffsettingOfFinancialAssetsTable" xlink:to="ifrs-full_DisclosureOfOffsettingOfFinancialAssetsTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfOffsettingOfFinancialAssetsTable_lbl" xml:lang="en-US">Disclosure of offsetting of financial assets [table]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SaleOfStock" xlink:label="ptgef_SaleOfStock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SaleOfStock" xlink:to="ptgef_SaleOfStock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SaleOfStock_lbl" xml:lang="en-US">Sale of stock</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AggregateProceeds" xlink:label="ptgef_AggregateProceeds" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AggregateProceeds" xlink:to="ptgef_AggregateProceeds_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AggregateProceeds_lbl" xml:lang="en-US">aggregate proceeds</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharesPrice" xlink:label="ptgef_SharesPrice" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharesPrice" xlink:to="ptgef_SharesPrice_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_SharesPrice_lbl" xml:lang="en-US">Share price</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_WarrantsToPurchase" xlink:label="ptgef_WarrantsToPurchase" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_WarrantsToPurchase" xlink:to="ptgef_WarrantsToPurchase_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_WarrantsToPurchase_lbl" xml:lang="en-US">Warrants to purchase</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PurchasePrice" xlink:label="ptgef_PurchasePrice" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PurchasePrice" xlink:to="ptgef_PurchasePrice_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_PurchasePrice_lbl" xml:lang="en-US">Purchase price</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_GrossProceeds" xlink:label="ptgef_GrossProceeds" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_GrossProceeds" xlink:to="ptgef_GrossProceeds_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_GrossProceeds_lbl" xml:lang="en-US">Gross proceeds</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DgitalAssets" xlink:label="ptgef_DgitalAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DgitalAssets" xlink:to="ptgef_DgitalAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DgitalAssets_lbl" xml:lang="en-US">Dgital assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_OrdinarySharesIssued" xlink:label="ptgef_OrdinarySharesIssued" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_OrdinarySharesIssued" xlink:to="ptgef_OrdinarySharesIssued_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_OrdinarySharesIssued_lbl" xml:lang="en-US">Ordinary shares issued</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_NumberOfSharesSold" xlink:label="ptgef_NumberOfSharesSold" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NumberOfSharesSold" xlink:to="ptgef_NumberOfSharesSold_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_NumberOfSharesSold_lbl" xml:lang="en-US">Number of shares sold</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_NetProceeds" xlink:label="ptgef_NetProceeds" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NetProceeds" xlink:to="ptgef_NetProceeds_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_NetProceeds_lbl" xml:lang="en-US">net proceeds</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_TreasuryStock" xlink:label="ptgef_TreasuryStock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TreasuryStock" xlink:to="ptgef_TreasuryStock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_TreasuryStock_lbl" xml:lang="en-US">Treasury stock</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AggregateOfferingOrdinaryShares" xlink:label="ptgef_AggregateOfferingOrdinaryShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AggregateOfferingOrdinaryShares" xlink:to="ptgef_AggregateOfferingOrdinaryShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AggregateOfferingOrdinaryShares_lbl" xml:lang="en-US">Aggregate offering ordinary shares</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_Proceedsfromexerciseofwarrant" xlink:label="ptgef_Proceedsfromexerciseofwarrant" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_Proceedsfromexerciseofwarrant" xlink:to="ptgef_Proceedsfromexerciseofwarrant_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_Proceedsfromexerciseofwarrant_lbl" xml:lang="en-US">ProceedsFromExerciseOfWarrants</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ProceedsFromExerciseOfWarrants" xlink:label="ifrs-full_ProceedsFromExerciseOfWarrants" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProceedsFromExerciseOfWarrants" xlink:to="ifrs-full_ProceedsFromExerciseOfWarrants_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProceedsFromExerciseOfWarrants_lbl" xml:lang="en-US">Net proceeds</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NumberOfSharesIssued" xlink:label="ifrs-full_NumberOfSharesIssued" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfSharesIssued" xlink:to="ifrs-full_NumberOfSharesIssued_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfSharesIssued_lbl" xml:lang="en-US">Pre-funded warrants issued</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding" xlink:label="ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding" xlink:to="ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding_lbl" xml:lang="en-US">pre-funded warrants outstanding shares</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AdditionalSharesIssued" xlink:label="ptgef_AdditionalSharesIssued" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AdditionalSharesIssued" xlink:to="ptgef_AdditionalSharesIssued_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AdditionalSharesIssued_lbl" xml:lang="en-US">Additional shares issued</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_WarrantsPurchase" xlink:label="ptgef_WarrantsPurchase" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_WarrantsPurchase" xlink:to="ptgef_WarrantsPurchase_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_WarrantsPurchase_lbl" xml:lang="en-US">Warrants purchase</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_WarrantsPerShare" xlink:label="ptgef_WarrantsPerShare" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_WarrantsPerShare" xlink:to="ptgef_WarrantsPerShare_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_WarrantsPerShare_lbl" xml:lang="en-US">Fair value of warrants</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_StockOptionReserve" xlink:label="ptgef_StockOptionReserve" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_StockOptionReserve" xlink:to="ptgef_StockOptionReserve_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ptgef_StockOptionReserve_lbl" xml:lang="en-US">Stock Option Reserve</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForSharebasedPayments" xlink:to="ifrs-full_AdjustmentsForSharebasedPayments_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForSharebasedPayments_2_lbl" xml:lang="en-US">Stock based compensation expense</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_CorrectionOfPriorPeriodOverstatedSharebasedCompensationsExpense" xlink:label="ptgef_CorrectionOfPriorPeriodOverstatedSharebasedCompensationsExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_CorrectionOfPriorPeriodOverstatedSharebasedCompensationsExpense" xlink:to="ptgef_CorrectionOfPriorPeriodOverstatedSharebasedCompensationsExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_CorrectionOfPriorPeriodOverstatedSharebasedCompensationsExpense_lbl" xml:lang="en-US">Correction of prior period overstated share-based compensation expense</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_StockOptionReserve" xlink:to="ptgef_StockOptionReserve_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ptgef_StockOptionReserve_2_lbl" xml:lang="en-US">Ending balance</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfDefinedBenefitPlansTable" xlink:label="ifrs-full_DisclosureOfDefinedBenefitPlansTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfDefinedBenefitPlansTable" xlink:to="ifrs-full_DisclosureOfDefinedBenefitPlansTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfDefinedBenefitPlansTable_lbl" xml:lang="en-US">Disclosure of defined benefit plans [table]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_NumberOfOutstandingShareOption" xlink:label="ptgef_NumberOfOutstandingShareOption" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NumberOfOutstandingShareOption" xlink:to="ptgef_NumberOfOutstandingShareOption_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ptgef_NumberOfOutstandingShareOption_lbl" xml:lang="en-US">Beginning balance</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_NumberOfShareOptionsGrantedInSharebasedPaymentsArrangement" xlink:label="ptgef_NumberOfShareOptionsGrantedInSharebasedPaymentsArrangement" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NumberOfShareOptionsGrantedInSharebasedPaymentsArrangement" xlink:to="ptgef_NumberOfShareOptionsGrantedInSharebasedPaymentsArrangement_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_NumberOfShareOptionsGrantedInSharebasedPaymentsArrangement_lbl" xml:lang="en-US">Granted</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_NumberOfShareOptionsExpiredOrForfeitedInSharebasedPaymentsArrangement" xlink:label="ptgef_NumberOfShareOptionsExpiredOrForfeitedInSharebasedPaymentsArrangement" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NumberOfShareOptionsExpiredOrForfeitedInSharebasedPaymentsArrangement" xlink:to="ptgef_NumberOfShareOptionsExpiredOrForfeitedInSharebasedPaymentsArrangement_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_NumberOfShareOptionsExpiredOrForfeitedInSharebasedPaymentsArrangement_lbl" xml:lang="en-US">Expired or forfeited</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NumberOfOutstandingShareOption" xlink:to="ptgef_NumberOfOutstandingShareOption_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ptgef_NumberOfOutstandingShareOption_2_lbl" xml:lang="en-US">Ending balance</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_NumberOfShareOptionsExercisableInSharebasedPaymentsArrangements" xlink:label="ptgef_NumberOfShareOptionsExercisableInSharebasedPaymentsArrangements" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NumberOfShareOptionsExercisableInSharebasedPaymentsArrangements" xlink:to="ptgef_NumberOfShareOptionsExercisableInSharebasedPaymentsArrangements_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_NumberOfShareOptionsExercisableInSharebasedPaymentsArrangements_lbl" xml:lang="en-US">Exercisable as at end</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_NumberOfShareOptionsAvailableForFutureAwardsSharebasedPaymentsArrangement" xlink:label="ptgef_NumberOfShareOptionsAvailableForFutureAwardsSharebasedPaymentsArrangement" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NumberOfShareOptionsAvailableForFutureAwardsSharebasedPaymentsArrangement" xlink:to="ptgef_NumberOfShareOptionsAvailableForFutureAwardsSharebasedPaymentsArrangement_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_NumberOfShareOptionsAvailableForFutureAwardsSharebasedPaymentsArrangement_lbl" xml:lang="en-US">Available for future awards</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable" xlink:to="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable_lbl" xml:lang="en-US">Disclosure of fair value measurement of assets [table]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DescriptionOfGrantPriceShareOptionsGranted" xlink:label="ptgef_DescriptionOfGrantPriceShareOptionsGranted" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DescriptionOfGrantPriceShareOptionsGranted" xlink:to="ptgef_DescriptionOfGrantPriceShareOptionsGranted_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DescriptionOfGrantPriceShareOptionsGranted_lbl" xml:lang="en-US">Grant price</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_OptionLifeShareOptionsGranted" xlink:label="ptgef_OptionLifeShareOptionsGranted" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_OptionLifeShareOptionsGranted" xlink:to="ptgef_OptionLifeShareOptionsGranted_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_OptionLifeShareOptionsGranted_lbl" xml:lang="en-US">Expected life</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted" xlink:to="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_ExpectedDividendAsPercentageShareOptionsGranted_3_lbl" xml:lang="en-US">Expected dividend as percentage, share options granted</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement2019_lbl" xml:lang="en-US">Weighted average exercise price</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:label="ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019" xlink:to="ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageRemainingContractualLifeOfOutstandingShareOptions2019_lbl" xml:lang="en-US">Weighted average remaining contractual life (in years)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfQuantitativeInformationAboutFinancialInstrumentsThatHaveYetToTransitionToAlternativeBenchmarkRateTable" xlink:label="ifrs-full_DisclosureOfQuantitativeInformationAboutFinancialInstrumentsThatHaveYetToTransitionToAlternativeBenchmarkRateTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfQuantitativeInformationAboutFinancialInstrumentsThatHaveYetToTransitionToAlternativeBenchmarkRateTable" xlink:to="ifrs-full_DisclosureOfQuantitativeInformationAboutFinancialInstrumentsThatHaveYetToTransitionToAlternativeBenchmarkRateTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfQuantitativeInformationAboutFinancialInstrumentsThatHaveYetToTransitionToAlternativeBenchmarkRateTable_lbl" xml:lang="en-US">Disclosure of quantitative information about financial instruments that have yet to transition to alternative benchmark rate [table]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ExpirationDate" xlink:label="ptgef_ExpirationDate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ExpirationDate" xlink:to="ptgef_ExpirationDate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ExpirationDate_lbl" xml:lang="en-US">Expiration Date</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ExercisePrice" xlink:label="ptgef_ExercisePrice" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ExercisePrice" xlink:to="ptgef_ExercisePrice_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ExercisePrice_lbl" xml:lang="en-US">Exercise Price</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ShareOptions" xlink:label="ptgef_ShareOptions" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ShareOptions" xlink:to="ptgef_ShareOptions_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ShareOptions_lbl" xml:lang="en-US">Share Options</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AuthorizedGrantOptionPurchaseShares" xlink:label="ptgef_AuthorizedGrantOptionPurchaseShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AuthorizedGrantOptionPurchaseShares" xlink:to="ptgef_AuthorizedGrantOptionPurchaseShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_AuthorizedGrantOptionPurchaseShares_lbl" xml:lang="en-US">Authorized grant option purchase shares</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharesIssuedGrantedRsu" xlink:label="ptgef_SharesIssuedGrantedRsu" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharesIssuedGrantedRsu" xlink:to="ptgef_SharesIssuedGrantedRsu_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SharesIssuedGrantedRsu_lbl" xml:lang="en-US">Shares issued granted RSU</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfSharesIssued" xlink:to="ifrs-full_NumberOfSharesIssued_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_NumberOfSharesIssued_2_lbl" xml:lang="en-US">Shares issued</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_NumberOfSharesExercise" xlink:label="ptgef_NumberOfSharesExercise" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NumberOfSharesExercise" xlink:to="ptgef_NumberOfSharesExercise_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_NumberOfSharesExercise_lbl" xml:lang="en-US">Shares issued</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharesRepurchasedIntoTreasuryEmployeePayrollTaxes" xlink:label="ptgef_SharesRepurchasedIntoTreasuryEmployeePayrollTaxes" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharesRepurchasedIntoTreasuryEmployeePayrollTaxes" xlink:to="ptgef_SharesRepurchasedIntoTreasuryEmployeePayrollTaxes_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SharesRepurchasedIntoTreasuryEmployeePayrollTaxes_lbl" xml:lang="en-US">Shares repurchased into treasury employee payroll taxes</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:label="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment" xlink:to="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_KeyManagementPersonnelCompensationSharebasedPayment_lbl" xml:lang="en-US">Share based compensation expense</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharebasedCompensationExpense" xlink:label="ptgef_SharebasedCompensationExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharebasedCompensationExpense" xlink:to="ptgef_SharebasedCompensationExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_SharebasedCompensationExpense_lbl" xml:lang="en-US">Share based compensation expense</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ReversalOfSharebasedCompensation" xlink:label="ptgef_ReversalOfSharebasedCompensation" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ReversalOfSharebasedCompensation" xlink:to="ptgef_ReversalOfSharebasedCompensation_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ReversalOfSharebasedCompensation_lbl" xml:lang="en-US">Reversal of share-based compensation</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ShareBasedCompensationExpenseUnvestedShareOptions" xlink:label="ptgef_ShareBasedCompensationExpenseUnvestedShareOptions" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ShareBasedCompensationExpenseUnvestedShareOptions" xlink:to="ptgef_ShareBasedCompensationExpenseUnvestedShareOptions_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ShareBasedCompensationExpenseUnvestedShareOptions_lbl" xml:lang="en-US">Share based compensation expense unvested share options</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_WeightedAverageSharesOutstandingDiluted" xlink:label="ptgef_WeightedAverageSharesOutstandingDiluted" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_WeightedAverageSharesOutstandingDiluted" xlink:to="ptgef_WeightedAverageSharesOutstandingDiluted_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_WeightedAverageSharesOutstandingDiluted_lbl" xml:lang="en-US">Weighted average shares outstanding, Diluted</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LossPerShareBasic" xlink:label="ptgef_LossPerShareBasic" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LossPerShareBasic" xlink:to="ptgef_LossPerShareBasic_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_LossPerShareBasic_lbl" xml:lang="en-US">Loss per share, Basic</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LossPerShareDiluted" xlink:label="ptgef_LossPerShareDiluted" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LossPerShareDiluted" xlink:to="ptgef_LossPerShareDiluted_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_LossPerShareDiluted_lbl" xml:lang="en-US">Loss per share, Diluted</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AntidilutiveEffectOnLossPerShare" xlink:label="ptgef_AntidilutiveEffectOnLossPerShare" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AntidilutiveEffectOnLossPerShare" xlink:to="ptgef_AntidilutiveEffectOnLossPerShare_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_AntidilutiveEffectOnLossPerShare_lbl" xml:lang="en-US">Anti-dilutive effect on loss per share</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ServiceFees" xlink:label="ptgef_ServiceFees" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ServiceFees" xlink:to="ptgef_ServiceFees_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ServiceFees_lbl" xml:lang="en-US">service fees</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_BudgetCosts" xlink:label="ptgef_BudgetCosts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_BudgetCosts" xlink:to="ptgef_BudgetCosts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_BudgetCosts_lbl" xml:lang="en-US">Budget costs</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_UnbilledServices" xlink:label="ptgef_UnbilledServices" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_UnbilledServices" xlink:to="ptgef_UnbilledServices_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_UnbilledServices_lbl" xml:lang="en-US">Unbilled services</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ForfeitedAdvancedPayments" xlink:label="ptgef_ForfeitedAdvancedPayments" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ForfeitedAdvancedPayments" xlink:to="ptgef_ForfeitedAdvancedPayments_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ForfeitedAdvancedPayments_lbl" xml:lang="en-US">Forfeited advanced payments</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_NetGain" xlink:label="ptgef_NetGain" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NetGain" xlink:to="ptgef_NetGain_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_NetGain_lbl" xml:lang="en-US">Net gain</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable" xlink:to="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForIncreaseDecreaseInTradeAccountPayable_2_lbl" xml:lang="en-US">Accounts payable and accrued liabilitie</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PrepaidExpensesAndOtherReceivables" xlink:label="ptgef_PrepaidExpensesAndOtherReceivables" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PrepaidExpensesAndOtherReceivables" xlink:to="ptgef_PrepaidExpensesAndOtherReceivables_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PrepaidExpensesAndOtherReceivables_lbl" xml:lang="en-US">prepaid expenses and other receivables</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ContractualPayments" xlink:label="ptgef_ContractualPayments" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ContractualPayments" xlink:to="ptgef_ContractualPayments_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ContractualPayments_lbl" xml:lang="en-US">Contractual payments</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SecurityDeposits" xlink:to="ptgef_SecurityDeposits_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_SecurityDeposits_2_lbl" xml:lang="en-US">Security deposit</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_NetworkingEquipmentCost" xlink:label="ptgef_NetworkingEquipmentCost" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NetworkingEquipmentCost" xlink:to="ptgef_NetworkingEquipmentCost_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_NetworkingEquipmentCost_lbl" xml:lang="en-US">Networking equipment cost</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_Deposit" xlink:label="ptgef_Deposit" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_Deposit" xlink:to="ptgef_Deposit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_Deposit_lbl" xml:lang="en-US">Deposit</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_ShorttermEmployeeBenefitsExpense" xlink:label="ifrs-full_ShorttermEmployeeBenefitsExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ShorttermEmployeeBenefitsExpense" xlink:to="ifrs-full_ShorttermEmployeeBenefitsExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ShorttermEmployeeBenefitsExpense_lbl" xml:lang="en-US">Short-term employee benefits (salary, bonus, etc.)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss" xlink:label="ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss" xlink:to="ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_PostemploymentBenefitExpenseInProfitOrLoss_lbl" xml:lang="en-US">Post-employment benefits</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_OtherLongtermBenefits" xlink:label="ifrs-full_OtherLongtermBenefits" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_OtherLongtermBenefits" xlink:to="ifrs-full_OtherLongtermBenefits_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_OtherLongtermBenefits_lbl" xml:lang="en-US">Other long-term benefits</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_TerminationBenefitsExpense" xlink:label="ifrs-full_TerminationBenefitsExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TerminationBenefitsExpense" xlink:to="ifrs-full_TerminationBenefitsExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TerminationBenefitsExpense_lbl" xml:lang="en-US">Termination benefits</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SharebasedPaymentCompensation" xlink:label="ptgef_SharebasedPaymentCompensation" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SharebasedPaymentCompensation" xlink:to="ptgef_SharebasedPaymentCompensation_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SharebasedPaymentCompensation_lbl" xml:lang="en-US">Share-based payment compensation</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xlink:label="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits" xlink:to="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_KeyManagementPersonnelCompensationPostemploymentBenefits_lbl" xml:lang="en-US">&#160;Total</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FeeAndCommissionExpense" xlink:label="ifrs-full_FeeAndCommissionExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FeeAndCommissionExpense" xlink:to="ifrs-full_FeeAndCommissionExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FeeAndCommissionExpense_lbl" xml:lang="en-US">Fee and salary</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_FeeAndCommissionIncome" xlink:label="ifrs-full_FeeAndCommissionIncome" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_FeeAndCommissionIncome" xlink:to="ifrs-full_FeeAndCommissionIncome_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_FeeAndCommissionIncome_lbl" xml:lang="en-US">Bonus</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_TransactionClosingBonus" xlink:label="ptgef_TransactionClosingBonus" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_TransactionClosingBonus" xlink:to="ptgef_TransactionClosingBonus_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_TransactionClosingBonus_lbl" xml:lang="en-US">Transaction closing bonus</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SecuritiesUnderOptionsGranted" xlink:label="ptgef_SecuritiesUnderOptionsGranted" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SecuritiesUnderOptionsGranted" xlink:to="ptgef_SecuritiesUnderOptionsGranted_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SecuritiesUnderOptionsGranted_lbl" xml:lang="en-US">Securities under option granted</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfSharesIssued" xlink:to="ifrs-full_NumberOfSharesIssued_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="ifrs-full_NumberOfSharesIssued_3_lbl" xml:lang="en-US">Shares ot units</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_OtherCompensation" xlink:label="ptgef_OtherCompensation" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_OtherCompensation" xlink:to="ptgef_OtherCompensation_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_OtherCompensation_lbl" xml:lang="en-US">Other compensation</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CompensationFromThirdPartiesForItemsOfPropertyPlantAndEquipment" xlink:label="ifrs-full_CompensationFromThirdPartiesForItemsOfPropertyPlantAndEquipment" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CompensationFromThirdPartiesForItemsOfPropertyPlantAndEquipment" xlink:to="ifrs-full_CompensationFromThirdPartiesForItemsOfPropertyPlantAndEquipment_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CompensationFromThirdPartiesForItemsOfPropertyPlantAndEquipment_lbl" xml:lang="en-US">Total compensation</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_GrantDate" xlink:label="ptgef_GrantDate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_GrantDate" xlink:to="ptgef_GrantDate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_GrantDate_lbl" xml:lang="en-US">Grant Date</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustedWeightedAverageShares" xlink:to="ifrs-full_AdjustedWeightedAverageShares_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_AdjustedWeightedAverageShares_2_lbl" xml:lang="en-US">Weighted average number of ordinary shares used in calculating diluted earnings per share</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_NumberofSecuritiesUnderlyingUnexercisedOptionsUnExercisable" xlink:label="ptgef_NumberofSecuritiesUnderlyingUnexercisedOptionsUnExercisable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NumberofSecuritiesUnderlyingUnexercisedOptionsUnExercisable" xlink:to="ptgef_NumberofSecuritiesUnderlyingUnexercisedOptionsUnExercisable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_NumberofSecuritiesUnderlyingUnexercisedOptionsUnExercisable_lbl" xml:lang="en-US">Number of Securities Underlying Unexercised Options Un Exercisable</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_ExercisePrices" xlink:label="ptgef_ExercisePrices" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ExercisePrices" xlink:to="ptgef_ExercisePrices_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ExercisePrices_lbl" xml:lang="en-US">Exercise Prices</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_OptionExpirationDate" xlink:label="ptgef_OptionExpirationDate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_OptionExpirationDate" xlink:to="ptgef_OptionExpirationDate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_OptionExpirationDate_lbl" xml:lang="en-US">Option Expiration Date</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_NumberofShareUnitsofStockThetHaveNotVested" xlink:label="ptgef_NumberofShareUnitsofStockThetHaveNotVested" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NumberofShareUnitsofStockThetHaveNotVested" xlink:to="ptgef_NumberofShareUnitsofStockThetHaveNotVested_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_NumberofShareUnitsofStockThetHaveNotVested_lbl" xml:lang="en-US">Number of Share Units of Stock Thet Have Not Vested</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_MarketValueNumberofShareUnitsofStockThetHaveNotVested" xlink:label="ptgef_MarketValueNumberofShareUnitsofStockThetHaveNotVested" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_MarketValueNumberofShareUnitsofStockThetHaveNotVested" xlink:to="ptgef_MarketValueNumberofShareUnitsofStockThetHaveNotVested_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_MarketValueNumberofShareUnitsofStockThetHaveNotVested_lbl" xml:lang="en-US">Market Value Number of Share Units of Stock Thet Have Not Vested</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SaleOfStock" xlink:to="ptgef_SaleOfStock_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_SaleOfStock_2_lbl" xml:lang="en-US">sale of stock</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_Decentranet" xlink:label="ptgef_Decentranet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_Decentranet" xlink:to="ptgef_Decentranet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_Decentranet_lbl" xml:lang="en-US">DecentraNet</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialAssetsAbstract" xlink:label="ifrs-full_CategoriesOfFinancialAssetsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CategoriesOfFinancialAssetsAbstract" xlink:to="ifrs-full_CategoriesOfFinancialAssetsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CategoriesOfFinancialAssetsAbstract_lbl" xml:lang="en-US">Financial assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PrepaidExpensesAndOtherReceivable" xlink:label="ptgef_PrepaidExpensesAndOtherReceivable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PrepaidExpensesAndOtherReceivable" xlink:to="ptgef_PrepaidExpensesAndOtherReceivable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PrepaidExpensesAndOtherReceivable_lbl" xml:lang="en-US">Prepaid expenses and other current assets</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_CategoriesOfFinancialLiabilitiesAbstract" xlink:label="ifrs-full_CategoriesOfFinancialLiabilitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CategoriesOfFinancialLiabilitiesAbstract" xlink:to="ifrs-full_CategoriesOfFinancialLiabilitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CategoriesOfFinancialLiabilitiesAbstract_lbl" xml:lang="en-US">Financial liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_AccountsPayableAndAccruedLiabilities" xlink:label="ptgef_AccountsPayableAndAccruedLiabilities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_AccountsPayableAndAccruedLiabilities" xlink:to="ptgef_AccountsPayableAndAccruedLiabilities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_AccountsPayableAndAccruedLiabilities_lbl" xml:lang="en-US">Accounts payable and accrued liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_WarrantLiability" xlink:label="ifrs-full_WarrantLiability" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WarrantLiability" xlink:to="ifrs-full_WarrantLiability_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_WarrantLiability_lbl" xml:lang="en-US">Warrant liability</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_LeaseLiabilityCurrentAndNoncurrent" xlink:label="ptgef_LeaseLiabilityCurrentAndNoncurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LeaseLiabilityCurrentAndNoncurrent" xlink:to="ptgef_LeaseLiabilityCurrentAndNoncurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_LeaseLiabilityCurrentAndNoncurrent_lbl" xml:lang="en-US">Lease liability - current and noncurrent</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedTable" xlink:label="ifrs-full_DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedTable" xlink:to="ifrs-full_DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DisclosureOfFinancialAssetsThatAreEitherPastDueOrImpairedTable_lbl" xml:lang="en-US">Disclosure of financial assets that are either past due or impaired [table]</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DigitalAssetsAtFairValueTonLiquid" xlink:label="ptgef_DigitalAssetsAtFairValueTonLiquid" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DigitalAssetsAtFairValueTonLiquid" xlink:to="ptgef_DigitalAssetsAtFairValueTonLiquid_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DigitalAssetsAtFairValueTonLiquid_lbl" xml:lang="en-US">Digital assets at fair value, TON liquid</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_DigitalAssetsAtFairValueTonLocked" xlink:label="ptgef_DigitalAssetsAtFairValueTonLocked" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DigitalAssetsAtFairValueTonLocked" xlink:to="ptgef_DigitalAssetsAtFairValueTonLocked_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DigitalAssetsAtFairValueTonLocked_lbl" xml:lang="en-US">Digital assets at fair value, TON locked</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Revenue" xlink:to="ifrs-full_Revenue_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_Revenue_2_lbl" xml:lang="en-US">Segment revenues</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossAbstract" xlink:to="ifrs-full_ProfitLossAbstract_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_ProfitLossAbstract_2_lbl" xml:lang="en-US">Segment expenses</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DepreciationAndAmortisationExpense" xlink:to="ifrs-full_DepreciationAndAmortisationExpense_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ifrs-full_DepreciationAndAmortisationExpense_2_lbl" xml:lang="en-US">Depreciation and amortization expense</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossFromOperatingActivities" xlink:to="ifrs-full_ProfitLossFromOperatingActivities_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossFromOperatingActivities_2_lbl" xml:lang="en-US">Segment loss from operations</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LossOnRevaluationOfDigitalAssets" xlink:to="ptgef_LossOnRevaluationOfDigitalAssets_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_LossOnRevaluationOfDigitalAssets_2_lbl" xml:lang="en-US">Loss on revaluation of digital assets</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LossOnRevaluationOfDigitalAssetReceivables" xlink:to="ptgef_LossOnRevaluationOfDigitalAssetReceivables_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_LossOnRevaluationOfDigitalAssetReceivables_2_lbl" xml:lang="en-US">Loss on revaluation of digital asset receivables</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ImpairmentLossInvestmentInCompedica" xlink:to="ptgef_ImpairmentLossInvestmentInCompedica_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ImpairmentLossInvestmentInCompedica_2_lbl" xml:lang="en-US">Impairment loss - investment in Compedica</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LossOnRevaluationOfInvestmentInCompedica" xlink:to="ptgef_LossOnRevaluationOfInvestmentInCompedica_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_LossOnRevaluationOfInvestmentInCompedica_2_lbl" xml:lang="en-US">Loss on revaluation of investment in Compedica</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LossOnSettlementOfPutRightLiability" xlink:to="ptgef_LossOnSettlementOfPutRightLiability_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_LossOnSettlementOfPutRightLiability_2_lbl" xml:lang="en-US">Loss on settlement of put right liability</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_NetForeignExchangeGain" xlink:label="ifrs-full_NetForeignExchangeGain" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NetForeignExchangeGain" xlink:to="ifrs-full_NetForeignExchangeGain_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ifrs-full_NetForeignExchangeGain_lbl" xml:lang="en-US">Foreign exchange transaction (loss) gain</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd#ifrs-full_InterestExpenseIncomeDefinedBenefitPlans" xlink:label="ifrs-full_InterestExpenseIncomeDefinedBenefitPlans" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_InterestExpenseIncomeDefinedBenefitPlans" xlink:to="ifrs-full_InterestExpenseIncomeDefinedBenefitPlans_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_InterestExpenseIncomeDefinedBenefitPlans_lbl" xml:lang="en-US">Interest (expense) income, net</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_GainOnExtinguishmentOfDebt" xlink:to="ptgef_GainOnExtinguishmentOfDebt_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_GainOnExtinguishmentOfDebt_2_lbl" xml:lang="en-US">Gain on forgiveness of loan interest</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ShareOfLossesFromEquityMethodInvestment" xlink:to="ptgef_ShareOfLossesFromEquityMethodInvestment_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ShareOfLossesFromEquityMethodInvestment_2_lbl" xml:lang="en-US">Share of losses from equity method investment</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SegmentLossBeforeBenefitForIncomeTaxes" xlink:label="ptgef_SegmentLossBeforeBenefitForIncomeTaxes" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SegmentLossBeforeBenefitForIncomeTaxes" xlink:to="ptgef_SegmentLossBeforeBenefitForIncomeTaxes_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SegmentLossBeforeBenefitForIncomeTaxes_lbl" xml:lang="en-US">Segment loss before benefit for income taxes</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_IncomeTaxBenefit" xlink:label="ptgef_IncomeTaxBenefit" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_IncomeTaxBenefit" xlink:to="ptgef_IncomeTaxBenefit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_IncomeTaxBenefit_lbl" xml:lang="en-US">Income tax benefit</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_SegmentNetLoss" xlink:label="ptgef_SegmentNetLoss" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_SegmentNetLoss" xlink:to="ptgef_SegmentNetLoss_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SegmentNetLoss_lbl" xml:lang="en-US">Segment net loss</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PayablesAndAccruedExpense" xlink:label="ptgef_PayablesAndAccruedExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PayablesAndAccruedExpense" xlink:to="ptgef_PayablesAndAccruedExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PayablesAndAccruedExpense_lbl" xml:lang="en-US">Payables and accrued expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_PutRightLiabilities" xlink:label="ptgef_PutRightLiabilities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_PutRightLiabilities" xlink:to="ptgef_PutRightLiabilities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_PutRightLiabilities_lbl" xml:lang="en-US">Put right liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_CurrentAsset" xlink:label="ptgef_CurrentAsset" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_CurrentAsset" xlink:to="ptgef_CurrentAsset_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ptgef_CurrentAsset_lbl" xml:lang="en-US">Current assets</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncontrollingInterests" xlink:to="ifrs-full_NoncontrollingInterests_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="ifrs-full_NoncontrollingInterests_2_lbl" xml:lang="en-US">Non-controlling interest, at beginning</link:label>
      <link:loc xlink:type="locator" xlink:href="ptgef-20260331.xsd#ptgef_NetLossAttributableToNoncontrollingInterest" xlink:label="ptgef_NetLossAttributableToNoncontrollingInterest" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_NetLossAttributableToNoncontrollingInterest" xlink:to="ptgef_NetLossAttributableToNoncontrollingInterest_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_NetLossAttributableToNoncontrollingInterest_lbl" xml:lang="en-US">Net (loss) attributable to non-controlling interest</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncontrollingInterests" xlink:to="ifrs-full_NoncontrollingInterests_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="ifrs-full_NoncontrollingInterests_3_lbl" xml:lang="en-US">Non-controlling interest, at ending</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentAssets" xlink:to="ifrs-full_CurrentAssets_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentAssets_2_lbl" xml:lang="en-US">Current assets [Default Label]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentAssets" xlink:to="ifrs-full_NoncurrentAssets_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentAssets_2_lbl" xml:lang="en-US">Non-current assets [Default Label]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Assets" xlink:to="ifrs-full_Assets_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Assets_2_lbl" xml:lang="en-US">Assets [Default Label]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CurrentLiabilities" xlink:to="ifrs-full_CurrentLiabilities_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CurrentLiabilities_2_lbl" xml:lang="en-US">Current liabilities [Default Label]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NoncurrentLiabilities" xlink:to="ifrs-full_NoncurrentLiabilities_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NoncurrentLiabilities_2_lbl" xml:lang="en-US">Non-current liabilities [Default Label]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Liabilities" xlink:to="ifrs-full_Liabilities_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Liabilities_2_lbl" xml:lang="en-US">Liabilities</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_TreasuryShares" xlink:to="ifrs-full_TreasuryShares_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_TreasuryShares_2_lbl" xml:lang="en-US">Treasury shares</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAttributableToOwnersOfParent" xlink:to="ifrs-full_EquityAttributableToOwnersOfParent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityAttributableToOwnersOfParent_2_lbl" xml:lang="en-US">Equity attributable to owners of parent</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_Equity" xlink:to="ifrs-full_Equity_4_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_Equity_4_lbl" xml:lang="en-US">Equity</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_EquityAndLiabilities" xlink:to="ifrs-full_EquityAndLiabilities_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_EquityAndLiabilities_2_lbl" xml:lang="en-US">Equity and liabilities</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DepreciationAndAmortisationExpense" xlink:to="ifrs-full_DepreciationAndAmortisationExpense_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DepreciationAndAmortisationExpense_3_lbl" xml:lang="en-US">Depreciation and amortisation expense</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossBeforeTax" xlink:to="ifrs-full_ProfitLossBeforeTax_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossBeforeTax_2_lbl" xml:lang="en-US">Profit (loss) before tax</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncomeTaxExpenseContinuingOperations" xlink:to="ifrs-full_IncomeTaxExpenseContinuingOperations_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncomeTaxExpenseContinuingOperations_2_lbl" xml:lang="en-US">Tax expense (income)</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComprehensiveIncome" xlink:to="ifrs-full_ComprehensiveIncome_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComprehensiveIncome_2_lbl" xml:lang="en-US">Comprehensive income</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ProfitLossAttributableToNoncontrollingInterests" xlink:to="ifrs-full_ProfitLossAttributableToNoncontrollingInterests_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ProfitLossAttributableToNoncontrollingInterests_2_lbl" xml:lang="en-US">Profit (loss), attributable to non-controlling interests</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent" xlink:to="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent_2_lbl" xml:lang="en-US">Comprehensive income, attributable to owners of parent</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests" xlink:to="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests_2_lbl" xml:lang="en-US">Comprehensive income, attributable to non-controlling interests</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_NumberOfSharesOutstanding" xlink:to="ifrs-full_NumberOfSharesOutstanding_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NumberOfSharesOutstanding_3_lbl" xml:lang="en-US">Number of shares outstanding</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_IncreaseDecreaseInDeferredTaxLiabilityAsset" xlink:to="ifrs-full_IncreaseDecreaseInDeferredTaxLiabilityAsset_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_IncreaseDecreaseInDeferredTaxLiabilityAsset_2_lbl" xml:lang="en-US">Increase (decrease) in deferred tax liability (asset)</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ChangeInFairValueOfWarrantLiability" xlink:to="ptgef_ChangeInFairValueOfWarrantLiability_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ChangeInFairValueOfWarrantLiability_2_lbl" xml:lang="en-US">ChangeInFairValueOfWarrantLiability</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_DividendsReceived" xlink:to="ifrs-full_DividendsReceived_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_DividendsReceived_2_lbl" xml:lang="en-US">Dividends received</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAccountReceivable_2_lbl" xml:lang="en-US">Adjustments for decrease (increase) in trade accounts receivable</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForDecreaseIncreaseInPrepaidExpenses" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInPrepaidExpenses_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInPrepaidExpenses_2_lbl" xml:lang="en-US">Adjustments for decrease (increase) in prepaid expenses</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets" xlink:to="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets_2_lbl" xml:lang="en-US">Adjustments for decrease (increase) in other assets</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_CashFlowsFromUsedInOperatingActivities" xlink:to="ifrs-full_CashFlowsFromUsedInOperatingActivities_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_CashFlowsFromUsedInOperatingActivities_2_lbl" xml:lang="en-US">Cash flows from (used in) operating activities</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_WarrantsLiabilityFairValue" xlink:to="ptgef_WarrantsLiabilityFairValue_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_WarrantsLiabilityFairValue_3_lbl" xml:lang="en-US">WarrantsLiabilityFairValue</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019" xlink:to="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement2019_2_lbl" xml:lang="en-US">Weighted average exercise price of share options outstanding in share-based payment arrangement</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_BalanceOfPutRightLiability" xlink:to="ptgef_BalanceOfPutRightLiability_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_BalanceOfPutRightLiability_2_lbl" xml:lang="en-US">BalanceOfPutRightLiability</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_BalanceOfTonPayable" xlink:to="ptgef_BalanceOfTonPayable_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_BalanceOfTonPayable_2_lbl" xml:lang="en-US">BalanceOfTonPayable</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_ExerciseOfSideLetterPutRightPayable" xlink:to="ptgef_ExerciseOfSideLetterPutRightPayable_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_ExerciseOfSideLetterPutRightPayable_2_lbl" xml:lang="en-US">ExerciseOfSideLetterPutRightPayable</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_SettlementOfPutRightLiabilityUsingDigitalAssets_2_lbl" xml:lang="en-US">SettlementOfPutRightLiabilityUsingDigitalAssets</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_LeaseLiabilityCurrent" xlink:to="ptgef_LeaseLiabilityCurrent_2_lbl" xlink:type="arc" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_LeaseLiabilityNoncurrent_2_lbl" xml:lang="en-US">LeaseLiabilityNoncurrent</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ifrs-full_NetDeferredTaxAssets_2_lbl" xml:lang="en-US">Net deferred tax assets</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ptgef_DeferredTaxAssetNotRecognized" xlink:to="ptgef_DeferredTaxAssetNotRecognized_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ptgef_DeferredTaxAssetNotRecognized_2_lbl" xml:lang="en-US">DeferredTaxAssetNotRecognized</link:label>
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