fda warning bpc 157 peptide products New Details 157 Peptides take off as a DIY treatment but is that a good idea? : NPR Therapeutic Peptides in Aesthetic, Metabolic and Endocrine Conditions: Effects, Safety, Clinical Applications, and Future Perspectives 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,