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 FDA Moves to Reevaluate Several Peptides American Med Spa Association Alternative Treatments: Identifying Options After FDA Reclassification of Specific Peptides Bergen Total Health RFK Jr. & claimed regenerative peptides like BPC 157 The Niche BPC 157 Category 1 vs. Category 2. The FDA's peptide update, explained. Category 2 peptides are on the FDA's difficult to compound list, which effectively blocks licensed pharmacies from producing them. Category 1 means