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  <xs:element id="natr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOperatingMarginsOne" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOperatingMarginsOne" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="natr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOperatingMarginsTwo" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOperatingMarginsTwo" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="natr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOperatingMarginsThree" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOperatingMarginsThree" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="natr_RestrictionPeriodForIssuanceOfShares" abstract="false" name="RestrictionPeriodForIssuanceOfShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="natr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedSubjectToRestrictionPeriodNumber" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedSubjectToRestrictionPeriodNumber" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="natr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsMinimumWithholdingRequirements" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsMinimumWithholdingRequirements" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="natr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeitedOrCanceledWeightedAverageGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeitedOrCanceledWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="natr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedWeightedAverageGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="natr_NumberofPrincipalCategoriesofProducts" abstract="false" name="NumberofPrincipalCategoriesofProducts" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="natr_AllOtherMember" abstract="true" name="AllOtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="natr_AsiaSegmentMember" abstract="true" name="AsiaSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="natr_EuropeSegmentMember" abstract="true" name="EuropeSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="natr_NorthAmericaSegmentMember" abstract="true" name="NorthAmericaSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="natr_LatinAmericaAndOtherSegmentMember" abstract="true" name="LatinAmericaAndOtherSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="natr_GeneralHealthProductsMember" abstract="true" name="GeneralHealthProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="natr_ImmunityProductsMember" abstract="true" name="ImmunityProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="natr_CardiovascularProductsMember" abstract="true" name="CardiovascularProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="natr_DigestiveProductsMember" abstract="true" name="DigestiveProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="natr_PersonalCareProductsMember" abstract="true" name="PersonalCareProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="natr_WeightManagementProductsMember" abstract="true" name="WeightManagementProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="natr_ValueAddedTaxAssessmentsAndOtherCivilLitigationMember" abstract="true" name="ValueAddedTaxAssessmentsAndOtherCivilLitigationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="natr_NonIncomeTaxMember" abstract="true" name="NonIncomeTaxMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="natr_RevenueFromContractWithCustomerRefundPeriod" abstract="false" name="RevenueFromContractWithCustomerRefundPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
</xs:schema>
