FDA Reclassifies BPC 157 & TB 500 What the Research Shows #Shorts YouTube FDA Adds Several Peptides to Category 2 Bulks List, Restricting Them From Compounding Restore Health Consulting 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 FDA Peptide Reclassification 2026: What Researchers Want