Peptides are often discussed as one big category but they are not all the same. Some peptides are FDA approved medications with clear indications and safety data. Many others being marketed for 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, Growth Peptides for Bodybuilding: Expert Insights & Protocols R2 Medical Clinic An FDA Reversal on Peptides Could Open the Market to Unsafe Drugs ProPublica