BPC 157: Miracle Healing Peptide or Hidden Danger? 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 FDA Targets GLP 1 and Peptide Compounding, Advertising and 'Research Use Only' Labeling BPC 157: Miracle Healing Peptide or Hidden Danger? The FDA just announced that they're taking steps to lift restrictions on 12 peptides including BPC 157 and TB 500 making them accessible through compounding pharmacies again. This is a HUGE step BPC 157 Banned: Key Facts on the Latest FDA Decision