What Peptides Are Legal in the U.S.? Understanding FDA Approval, Compounding, and the Legal Gray Areas Holt Law RFK Jr. & claimed regenerative peptides like BPC 157 The Niche Which non FDA (United States Food and Drug Administration) approved peptides, such as BPC 157 (Body Protection Compound 157) and TB 500 (Thymosin Beta 500), are likely legitimate for medical use under strict supervision? FDA has removed certain bulk drug substances that were placed on the category two list and has announced it will consult the Pharmacy Compounding Advisory Committee (PCAC) for potential future inclusion of