Peptides Lack Reliable Safety Information, Watchdog Warns FDA Puts BPC 157, TB 500, and 5 Other Peptides Under the Microscope: What Prescribers Need to Know About the 503A Review Lengea As unregulated peptides grow in popularity, doctors warn of unknown risks ABC7 San Francisco 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 BPC 157: Miracle Healing Peptide or Hidden Danger?