
Net Peptide Content vs. Purity %: Reading Beyond the Headline Number on a COA
A 99% pure vial can still contain far less than the labeled mass of actual peptide. Net peptide content is the number that tells you what you actually have.
Lab-tested guides on peptide quality, COA interpretation, lyophilization, storage, and the science behind what we ship. Compliant, accurate, written by people who handle these compounds every day.

A 99% pure vial can still contain far less than the labeled mass of actual peptide. Net peptide content is the number that tells you what you actually have.
Every batch is tested for purity, identity, sterility, endotoxins, and heavy metals. Every COA is published before you buy.
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