Peptide Certificates of Analysis (COA) Every batch. Third-party analysis verified. No exceptions. Noxa Labs partners with accredited independent laboratories to test every product for identity, purity, and potency – using HPLC and Mass Spectrometry. You get batch-specific Certificates of Analysis before you buy, not after. Our preferred testing partner is Freedom Diagnostics — an ISO-accredited … Continue reading Peptide Certificates of Analysis