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GHK-Cu Copper Tripeptide Research Compound Compound Name: GHK-Cu (Copper Tripeptide) Classification: Research Peptide Copper-Binding Tripeptide Complex Description: GHK-Cu is a synthetic copper-binding tripeptide composed of glycyl-L-histidyl-L-lysine (GHK) complexed with a divalent copper ion (Cu)

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The manufacturer discontinued both formulations in 2008 for business reasons, and a 2013 Federal Register determination confirmed the withdrawal was not for reasons of safety or effectiveness