The peptide conversation is shifting. Secretary RFK Jr. recently announced that the FDA plans to move 14 peptides from Category 2 back to Category 1 restoring FDA recognized status and making them Are Peptides coming off of the FDA Category 2 list? A legal breakdown. Major peptide regulatory news this week. The FDA announced on April 15 that it will remove 12 peptides from Category 2 of the 503A bulk drug substances list after seven calendar days. FDA Removes 12 Peptides from 503A Category 2 Newtropin