The peptide problem: Hype is outrunning the evidence What are peptides? The treatments promising weight loss and better skin, explained Vox Public advisory Think twice before injecting peptides bought online: unauthorized products can seriously harm you The Food and Drug Administration will hold a meeting this summer to consider easing restrictions on more than a half dozen peptide injections, a group of unapproved therapies that have become popular In 2023, the FDA deemed 19 peptides too unsafe to be dispensed by compounding pharmacies. Now, under RFK Jr., the agency is poised to reverse itself despite the fact that few