Order GHK Cu (50mg) Buy Research Peptides Medica Depot 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) 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 FDA Peptide Reclassification 2026: What Researchers Want GHK Cu Vici Peptides