GHK CU COPPER PEPTIDE POWDER (60 CAPSULES) (2MG CAPSULE, 120MG TOTAL BOTTLE) UMBRELLA Labs AHK Cu (Copper Tripeptide 3) Ingredient Guide Nubeean Noosa Not all Copper Peptides are created equal If you've tried copper peptides before and saw no change, here is why: Concentration and Stability. Most serums use a diluted solution that barely scratches Buy GHK Cu 50mg USA Copper Peptide USPeptideDirect