FDA Targets GLP 1 and Peptide Compounding, Advertising and 'Research Use Only' Labeling The Wolverine Drug Ortho Rhode Island 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 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 The Peptide Craze Part 2: BPC 157, NAD and the Truth Behind the Longevity Molecule Hype