BPC 157: Miracle Healing Peptide or Hidden Danger? Are Peptides Safe? The Clinical Reality Are peptides safe? The answer starts with clinical medicine: most are not FDA approved and are often sold as research chemicals, with real quality, purity, dosing, and FDA Moves to Reevaluate Several Peptides American Med Spa Association Safety and Efficacy of Approved and Unapproved Peptide Therapies for Musculoskeletal Injuries and Athletic Performance Sports Medicine Springer Nature Link