FDA Targets GLP 1 and Peptide Compounding, Advertising and 'Research Use Only' Labeling Peptides, Drugs And Supplements: Science, Risks, And Alternatives Los Angeles Times FDA to weigh easing limits on unproven peptides promoted by RFK Jr. 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, BPC 157: Experimental Peptide Creates Risk for Athletes