Peptide Research Overview Mechanisms, Applications & Insights Peptide Research Overview Mechanisms, Applications & Insights Not all peptides are restricted. Here's the breakdown you actually need. The FDA's Category 2 classification affects specific compounded peptides BPC 157, TB 500, CJC 1295 Ipamorelin, AOD 9604, Epithalon, Selank, Semax. Others like Sermorelin Pharm D Solutions, LLC Issues Voluntary Nationwide Recall of All Sterile Compounded Drugs Due to a Potential Lack of Sterility Assurance FDA