Peptide Sciences

COA status: No COAs published

Certificate of Analysis (COA)

The vendor publishes no certificates of analysis.

Testing lab(s): Not established
Source confirmed by us: Yes, observed this cycle
Last reviewed: 2026-06-28

Audit Notes & Receipts

No longer operating, do not purchase.
Included for the historical record.
Independent testing failures preceded the shutdown.

Green bullets = directly verified data points. Amber bullets = caveats or open questions. Gray = disclosures.

Buyer Caution

Independent Finnrick testing gave its Retatrutide a failing "E" rating across 37 samples (Nov 2025), with counterfeit flags.

Regulatory Record

Voluntarily shut down March 6, 2026 amid the FDA enforcement wave. Was the largest US gray-market research-peptide vendor (~$7.4M/mo online sales, Dec 2025).

PepScore

Under review

Vendor grade pending

No COAs

No longer operating

COA status and grade are independent of any affiliate relationship.

← All vendor COA statuses

Educational only, not medical advice. Research use only. Consult a licensed healthcare provider before using any compound.