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 Unauthorized injectable peptide drugs seized and sold by Canada Peptide may pose serious health risks Canada.ca FDA Is Expected to Lift Restriction on Peptides, Heeding RFK Jr.'s Wishes The New York Times 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