Verified

PSPeptides

COA status: Verified, real independent COAs

Certificate of Analysis (COA)

Independent third-party lab (e.g. Janoshik, portal-verifiable), batch-matched COAs are publicly posted and corroborated. "Independent" here means a named outside lab with a public verification path, not an ISO 17025 accreditation claim.

Testing lab(s): other
Latest known COA: 2026-06
Source confirmed by us: Yes, observed this cycle
Last reviewed: 2026-07-23

Audit Notes & Receipts

Fresh first-hand audit (2026-07-23, corrects 2026-07-22 entry that listed lab as unknown).
Pulled Retatrutide 5mg COA PDF for lot PSP-0028013 (Batch PSP-06112026RT) from /certifications/: lab is North American Diagnostics (nadiagnostics.com), 807 Brazos St, Austin TX 78701, signed by Mark Brownstein (Analysis Administration Lead).
COA confirms HPLC purity 99.93% + LC-MS/mass spec identity + heavy metals ICP-MS + endotoxin (LAL).
Separate heavy-metals and endotoxin reports confirmed for the same lot. N.A.
Diagnostics has a public batch-verify portal on its site and markets itself as an independent US peptide lab ("we don't sell what we test").
No sterility/microbial report observed. N.A.
Diagnostics is not ISO-17025 accredited and has no third-party community corroboration (Peptigrity/Reddit).
Entity: ProSupply Services LLC, NJ. Strong Trustpilot.
Cards, same-day shipping, international. PepScore 80 / B.
Affiliate approved 2026-07-22 (18% commission, 90-day cookie, weekly payouts $50 min); tracking link pending Ryan dashboard login at /affiliate-account/.