Original research
Original research
Studies built from the same audit data as the rankings, rebuilt on every update of the site. Data as of 2026-11-06.
- The State of Peptide Vendor Testing (2026)100 US vendors audited: how many have third-party testing we could verify, how many listings carry a certificate, and how far the price of one peptide varies between vendors.Read the study →
- State of Peptide Vendors: monthly reportEach month’s testing-gate pass rate, median scores, certificates and biggest score moves, generated from the audit data, with a CSV for every month.Read the latest month →