ghk-cu clinical evidence skin anti-aging randomized controlled trial Figure 3 from GHK – Copper Peptide in Remodeling and ! GHK- Cu in Skin Remodeling The tri-peptide GHK-Cu complex ameliorates
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If vitamin B12 deficiency is not treated with a vitamin B12 supplement, then anemia, intestinal problems, and irreversible nerve damage may occur

In several studies, GHK-Cu even appeared to restore physiological gene expression in dysfunctional tissues, supporting a return to healthy cellular activity
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Larger trials would provide more precise effect estimates and detect smaller differences between groups
