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CertaPeptides

Official site: certapeptides.com. We never sell through any other domain, Telegram, or direct messages. Read the address bar letter by letter; report anything suspicious at certapeptides.com/security. Do not visit or pay these known fakes: certipeptide.com, certipeptides.com, certapeptids.com, catrapeptide.com, cetapeptides.com.

Verify

Verify a research peptide

Enter the code printed on your vial label, or paste a lab report code. We'll show what CertaPeptides publishes for it and, for a withdrawn lot, the withdrawal and its reason. If the code finds nothing, email us that code.

41% of the vials we shipped so far in October 2026 came from a lot with its own lab report or a report for the same supplier production batch.

Counted from our stock ledger; products withdrawn from this site are left out. For research purposes only.

Browse selected report and supplier-spec cards in the COA Vault. Report cards identify the issuing lab. For research purposes only.

Research Articles

Comparing labs? See how our independent testing stacks up in the EU research peptide supplier transparency index.

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