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All peptides · P021 · COAs

P021 COA & lab test results

4 certificates of analysis published by 4 vendors, newest first.

2with readable numbers
99.8%median purity
126%median measured vs label
3testing labs

Labs: ILS Laboratories, Janoshik, MDx BioAnalytical Laboratory.

VendorLabDateLabelMeasuredPurity
Evolve BioPepILS Laboratories2026-08-2812 mg––View (image)
Bulk Peptide SupplyCOA concernsMDx BioAnalytical Laboratory2026-06-2710 mg10.57 mg (106%)99.77%View
Liberty Peptides–2026-04-015 mg6.32 mg (126%)99.8%View
Cocer PeptidesJanoshik–10 mg––View (image)

A vendor's COA shows one tested sample, not every batch. Numbers are filled in only where the document is readable text; image-only COAs are linked without numbers. Vendors banned for fake reports are excluded. Compare P021 prices and lab-verified vendors.