What Peptides Are Legal in the U.S.? Understanding FDA Approval, Compounding, and the Legal Gray Areas The FDA may be about to change everything for peptide research. Secretary RFK Jr. announced plans to move 14 peptides from Category 2 to Category 1. That means FDA recognized. Potentially prescribable through FDA considers adding a dozen peptides to its bulk drug compounding list RAPS Are Peptides coming off of the FDA Category 2 list? A legal breakdown Holt Law