In 2023, the FDA banned 19 peptides from compounding pharmacies. No specific safety incident. No clear signal. Just a regulatory decision that pushed millions of patients toward gray market suppliers and overseas Safety and Efficacy of Approved and Unapproved Peptide Therapies for Musculoskeletal Injuries and Athletic Performance[v3] Preprints.org Population Scale Identification of Differential Adverse Events Before and During a Pandemic Zitnik Lab Adverse Event Reporting Medical School Office of Research Clinical spectrum and evolution of immune checkpoint inhibitors toxicities over a decadea worldwide perspective eClinicalMedicine