Peptide Sciences: BPC 157 tests and rating Finnrick Product Testing & Supply Chain Transparency What Is BPC 157? A Medical Clinic's Guide to the Body Protective Peptide, Its Uses, and What It Actually Does Perfect B Multifunctionality and Possible Medical Application of the BPC 157 PeptideLiterature and Patent Review Peptides are often pitched as a quick way to build muscle, heal injuries or appear younger. But most peptides have not been reviewed for safety by the FDA.