Does BPC 157 Cause Erectile Dysfunction? Evidence and Safe Treatments Bolt Pharmacy 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 Unapproved peptides are now being sold by the world's largest online retailers, despite many appearing on the WADA Prohibited List and not legal for human consumption. Products like BPC 157, AOD 9604, BPC 157: The peptide with big claims and scant evidence STAT