The U.S. Food and Drug Administration is moving toward allowing compounding pharmacies to produce more than a dozen injectable peptides that were banned because of potentially significant safety risks, the New York BPC 157 Banned: Key Facts on the Latest FDA Decision Are peptides legal? This has been answered with a decisive regulatory crackdown , The FDA has moved beyond general oversight into targeted enforcement. Popular wellness peptidesincluding BPC 157, FDA moves toward easing restrictions on certain peptides BioPharma Dive 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