Peptide Research Overview Mechanisms, Applications & Insights GHK Cu Mr & Mrs Peptides Are Peptides FDA Approved? 2026 Legal List & Classification of 14 Peptides 2026 FDA Peptide Reclassification Purefico Medspa and Therapy GHK CU Program Calibrate Hydration The FDA just changed the rules on peptides effective April 15, 2026. BPC 157, GHK Cu, MOTS C, and TB 500 have been removed from the Category 2 restricted compounding list. Here is what