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SIRT1 exhibits broad expression across intestinal epithelial cells, including the colon and small intestine, especially in the crypt region (Wellman et al., 2017)
GHK-Cu has a broader base of independent research, including several small human clinical studies in dermatological applications and commercially available topical formulations
They remain prescription therapeutics that should be physician-managed and pharmacy-sourced
This powerful compound, a copper peptide, has garnered attention for its remarkable ability to promote healing, stimulate collagen production, and enhance skin elasticity
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