FDA Puts BPC 157, TB 500, and 5 Other Peptides Under the Microscope: What Prescribers Need to Know About the 503A Review Lengea In 2023, the FDA deemed 19 peptide drugs too unsafe to be dispensed by compounding pharmacies, which mix components of approved drugs to create bespoke medication for people who have trouble taking 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 Is BPC 157 Banned? Oral vs. Injectable Forms Explained