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GHK-Cu GHK-Cu is a copper complex of the tripeptide glycyl-L-histidyl-L-lysine, a naturally occurring peptide found in human serum
10.1371/journal.pone.0033172 10 Brigelius-FlohR.KippA
H., & Satylganova, A
The unique formulation includes critical cofactors that many people are missing: selenium to activate your glutathione peroxidase (GPX) enzyme, riboflavin to recycle used glutathione via your glutathione reductase (GSR) enzyme, molybdenum to support your sulfite oxidase (SUOX) enzyme and prevent the uncomfortable side effects some people experience from glutathione
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