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Analytical Identity Copper Tripeptide-1 (GHK-Cu, CAS 89030-95-5) is a naturally occurring copper-binding tripeptide - glycyl-L-histidyl-L-lysine chelated to a divalent copper ion (Cu2+) - first identified in human plasma, where its concentration has been reported to decline with age, and later characterized in saliva and other biological fluids
10.1073/pnas.1216100110 25
Linus Pauling Insitute
Heres how to keep it going strong: Eat Sulfur-Packed Foods : Dig into garlic, onions, or broccoli to fuel Glutathione productionbroccolis a champ with sulfur compounds that kickstart it naturally
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