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GHK-Cu has been studied in cultured cell systems and in animal models, where published work examines copper binding, collagen-related gene expression and tissue-repair endpoints
If you want to stay evergreen, add GHK-Cu in your wellness routine now
Researchers working on collagen peptides for joint health face similar challenges in demonstrating that orally consumed peptides reach their intended tissue targets at biologically active concentrations, a parallel problem to the topical delivery question for GHK-Cu
Few studies have focused specifically on glutathione, so there is limited information regarding its side effects
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