ghk-cu copper coordination sites (glycyl-L-histidyl-L-lysine complex) is a naturally occurring tripeptide bound to a copper ion. It is formed by the of the peptide GHK with copper (Cu²⁺) and has been identified in GHK-CU - Research Peptide -
GHK CU Research Peptide Alpha Carbon Labs GHK Cu Torsena Analytical Insights into GHK Cu and Copper Peptide Study Copper peptide GHK Cu Wikipedia
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