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How to read a Certificate of Analysis

A plain-language walkthrough of every field on a COA, so you can verify exactly what is in your vial.

A Certificate of Analysis is the objective proof behind a peptide product, but only if you can read it. This guide explains each field: batch number, purity percentage, identity confirmation, and contaminant results, and what "good" looks like for each. See how it fits our laboratory testing process.

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This is a free reference. A downloadable PDF version is on the way, in the meantime, everything you need is on this page and in the dosing calculator. Questions? Contact us.

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