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Some of the strongest evidence for the use of the ingredient comes from its effects in sarcopenia
Public COA access on the product page means audit reviewers can verify the analytical record at any point without contacting the supplier directly
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10.1111/j.1471-4159.2009.06319.x 18 ChaiY.-C.MieyalJ
GHK-Cu is a naturally occurring copper complex of the tripeptide glycyl-L-histidyl-L-lysine, originally isolated by Loren Pickart from human plasma in 1973. The compound is one of the most extensively characterized small peptides in published research, with documented effects on collagen synthesis, glycosaminoglycan production, and approximately 4,000 human gene expression changes
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