Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING
FIRM
We hereby consent to the incorporation in this Registration
Statement on Form S-1 of our report dated March 30, 2026, of Kraig Biocraft Laboratories, Inc., relating to the audit of the
consolidated financial statements as of December 31, 2025 and 2024, and for the periods then ended, and the reference to our firm
under the caption “Experts” in the Registration Statement.
/s/
M&K CPA’s,
PLLC
The Woodlands, Texas
May 11, 2026