GHK Cu Revival Clinic PT 141 BREMELANOTIDE PEPTIDE 10MG VIAL UMBRELLA Labs GHK Cu is the compound your body made at 25 and quietly stopped making. Most people find it in overpriced serums. Few understand what it actually does, or what happens when you're not Can a patient with a history of liver or kidney disease, such as Wilson's disease or hemochromatosis, overdose on copper from Gly His Lys Copper (GHK Cu)?