Sourcing•8 min read
How to Verify a Peptide COA: Spot Fakes, Check Lab Reports, and Buy With Confidence
A vendor sends you a COA showing 99% purity. Looks legit. But that PDF could be from a different batch, a different product, or a test the vendor ran themselves. Here is how to actually verify a Certificate of Analysis.
coatestingverificationquality
Read Guide