Shop › GHK-CU 100MG Image 1 of 1 GHK-CU 100MG $65.00 sold out GHK-Cu (Copper Tripeptide) 100 mg is the copper(II) complex of the tripeptide Gly-His-LysResearch Use Only - Not For Human Use Sold Out Added! GHK-Cu (Copper Tripeptide) 100 mg is the copper(II) complex of the tripeptide Gly-His-LysResearch Use Only - Not For Human Use −20 °C long-term; store desiccated and protected from light. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More