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doi:10.1001/jamaoto.2016.1700

Antioxidant and DNA Repair Support GHK-Cu has been shown to: Reduce oxidative damage Stimulate antioxidant enzymes Support DNA repair pathways Evidence-Based GHK-Cu Peptide Benefits for Skin Health Research supports several aesthetic and dermatological benefits, including improved firmness, reduced fine lines, and enhanced wound healing

Some have been studied for potential therapeutic benefits

no established dosing, potency, or administration route in humans

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The cytotoxic and oxidative effects of test compounds on cultured cells can be determined using the CellTox Green Cytotoxicity Assay and the GSH/GSSG-Glo Assay