GHK Cu Copper Peptide Research Compound Drexa Labs GHK CU: 100mg Supernova Peptides FDA Peptide Reclassification 2026 Amanecia Health 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 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