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 Targets GLP 1 and Peptide Compounding, Advertising and 'Research Use Only' Labeling Injectable Peptides: Out of the Back Alley and Into the Light? Berkley Lifesciences FDA to weigh easing limits on unproven peptides favored by RFK Jr. and other MAHA figures Pittsburgh Post Gazette