Vendors Not Listed

Prof. Peptide keeps these peptide vendors off its directory because of documentary evidence about their certificates: a laboratory's own record that differs from the vendor's copy, or certificates issued to another company. Each page sets out what the laboratory's records and the vendor's own pages show, with the date they were read, and what would lead Prof. Peptide to look at the vendor again.

A vendor whose certificates Prof. Peptide simply could not check is not on this page. How vendors are assessed is on the methodology page.