Dr Jonas Programs GHK CU: 100mg Supernova Peptides 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 GHK Cu Cooper Peptide: The Complete Skin & Repair Guide (2026) GHK Cu: The Peptide That Transforms Skin and Tissue Health Calibrate Hydration FDA approval awaited this month . : r biotech_stocks