BPC 157: The Real Reason Why It's Not FDA Approved Stracuzzi Wellness 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 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 BPC 157: Miracle Healing Peptide or Hidden Danger?