Multifunctionality and Possible Medical Application of the BPC 157 PeptideLiterature and Patent Review Peptide Law: A Healthcare Attorney's Guide to the FD&C Act and Unapproved Drugs Holt Law FDA takes first step in possible reversal of ban on some peptides The Washington Post Americans using unproven peptides sold by influencers and RFK Jr. allies Think twice before injecting peptides bought online: unauthorized products can seriously harm you Canada.ca Sources: U.S. Food and Drug Administration (FDA) Compounding and the FDA (503A & 503B guidance) FDA warning letters on unapproved peptide products National Institutes of Health (NIH) PubMed