FDA Peptide Reclassification: What This Means For Weight Loss, Recovery, And More Why I'm Getting Asked About Peptides Every Day in My Portland Sports Medicine Clinic: David N Westerdahl, MD: Sports Medicine Physician 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 An FDA Reversal on Peptides Could Open the Market to Unsafe Drugs ProPublica