Americans are injecting themselves with unproven peptides 6abc Philadelphia New: An FDA decision to place 19 peptides on the unsafe list was supported by numerous documented safety concerns, former officials said. Even though demand for peptide therapies has exploded since then, FDA to weigh easing limits on unproven peptides favored by RFK Jr. and other MAHA figures Pittsburgh Post Gazette What are peptides? The treatments promising weight loss and better skin, explained Vox