FDA Puts BPC 157, TB 500, and 5 Other Peptides Under the Microscope: What Prescribers Need to Know About the 503A Review Lengea FDA to weigh easing limits on unproven peptides favored by RFK Jr. and other MAHA figures Pittsburgh Post Gazette 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 Injectable Peptides: Out of the Back Alley and Into the Light? Berkley Lifesciences The peptide problem: Hype is outrunning the evidence