Because the products are unregulated, peptide users dont truly know what theyre injecting into themselves
BPC-157 is a stable synthetic pentadecapeptide (15 amino acids) derived from a naturally occurring gastric protein with a molecular weight of 1,419.5 g/mol and molecular formula CHNO (PubChem CID 9941957)
BPC-157, KPV, TB-500, MOTS-c, DSIP, Semax, Epitalon none of these have an FDA-approved product
Injectable GHK-Cu timing For those using injectable GHK-Cu , timing considerations change significantly
international journal of clinical chemistry , 333 (1), 19-39