·6 min read·vendor-trust
How to read a peptide Certificate of Analysis (COA)
The five things that matter on a COA, the three things that do not, and the one question that separates a serious vendor from a cargo-cult operator.
The five things that matter on a COA, the three things that do not, and the one question that separates a serious vendor from a cargo-cult operator.
The phrase on every grey-market peptide site. What it actually means, what it does not mean, and why reading it wrong costs people money.