Certificates of Analysis
COA Library
Independent, third-party certificates of analysis for Peptryn research peptides — purity, identity, and endotoxin testing performed by MZ Biolabs.
Published reports
Testing in progress
Every production batch we ship undergoes third-party testing at MZ Biolabs before it’s sold, but we only publish a certificate here once that report is back and lot-matched. We’re actively working through the rest of the catalog and will add each report as it clears testing.
Products pending a published COA: BPC-157, TB-500, Semaglutide, Tirzepatide, CJC-1295, Ipamorelin, NAD+, Semax, Melanotan II, GHK-Cu, MOTS-C, Sermorelin, 5-Amino-1MQ, Epitalon, Tesamorelin, Glutathione, SS-31 (Elamipretide), Klow80 Blend, and Glow Blend.
Need a report sooner?
If you need the certificate for your specific lot before it’s published here, email us at [email protected] with your order number and we’ll send the current report on file.
If you need the certificate for your specific lot before it’s published here, email us at [email protected] with your order number and we’ll send the current report on file.