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Midwest Peptide

COA status: Verified — real independent COAs

Certificate of Analysis (COA)

Independent accredited-lab (Janoshik / Colmaric / MZ Biolabs), batch-matched COAs are publicly posted and corroborated.

Testing lab(s): other
Latest known COA: 2026-06-22
Source confirmed by us: Yes — observed this cycle
Last reviewed: 2026-06-29

PepEvolution pulled and verified three lot-matched COAs directly from product pages (2026-06-29): BPC-157 10mg (lot MPBP005, 99.46%), TB-500 / Thymosin Beta-4 (lot MPTB002, 99.26%), and GHK-Cu 50mg (lot MPGHK006, 99.86%). Each is batch-specific, recent (received/reported June 2026), publicly posted PRE-purchase, and run by a named US third-party lab (Freedom Diagnostics) using HPLC-UV for purity + LC-MS for identity, with real chromatograms and mass-confirmation spectra whose m/z values check out (BPC-157 [M+2H]2+ ~710.3, GHK-Cu [M+H]+ ~341.1, TB-4 multi-charge). Strong, transparent COA posture. Caveats: (1) the COAs show identity + purity + net content but no endotoxin/sterility panel; (2) Freedom Diagnostics is a real US lab but not a top-tier ISO-17025-accredited house like Janoshik, so testing rigor is capped; (3) Midwest marketing/blog references "Chromate" as their lab, while the actual posted COAs are from Freedom Diagnostics — confirm which lab is current. This is a PepEvolution affiliate partner (PEPEVO) — disclosed; affiliate status does NOT lift COA status or grade.