Learn How to Shop for Peptides Without Getting Scammed
It’s all about an authentic certificate of analysis — here’s exactly how to check for one below.
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How to Know a COA Isn’t Fake, in About 5 Seconds
A lab report is easy to fabricate — anyone can put a logo and some numbers on a PDF. The real test is whether the certificate links to a lab that isn’t the seller. Every Peptryn COA carries a QR code that goes straight to MZ Biolabs’ own site, not ours, showing the exact same report an independent visitor would see.
1. Find the QR code
It’s printed directly on the certificate, usually labeled “Proof of Authenticity.”
2. Scan it
A real one takes you to the lab’s own website, not the seller’s.
3. Compare the report
Lot number, purity, and date should match the certificate you were shown.
Example of an authentic COA with a 3rd party QR code
