I spent 4 months reporting on the peptide BPC 157 and its unlikely journey from a research lab in post communist Croatia to today's MAHA movement. Ask me anything. : r IAmA As unregulated peptides grow in popularity, doctors warn of unknown risks ABC7 San Francisco The Peptide Craze Part 2: BPC 157, NAD and the Truth Behind the Longevity Molecule Hype 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 TB 5 Beverly Hills Rejuvenation Center