TB 500 FDA Approval Status 2026: Thymosin Beta 4 Research & Regulation 2026 FDA Peptide Reclassification Purefico Medspa and Therapy 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 Ipamorelin (RUO) Selective GHS R1a Agonist USA Supplier Peptides: FDA Approved vs Research Peptides Not all peptides are created equal Some are FDA approved medications with real clinical data, regulated manufacturing, and proven safety. Others are sold online as