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 What are peptides? The treatments promising weight loss and better skin, explained Vox FDA Puts BPC 157, TB 500, and 5 Other Peptides Under the Microscope: What Prescribers Need to Know About the 503A Review Lengea Demand for Unapproved Weight Loss Drug Surges on Social Media MedPage Today Peptides are unproven as health aids. FDA may unleash them anyway The peptide problem: Hype is outrunning the evidence