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Antioxidant Activity By providing copper to antioxidant enzymes like superoxide dismutase (SOD), GHK-Cu enhances the bodys ability to neutralize free radicals and protect tissues from oxidative damage

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[41] Injury to hepatocyte and bile duct cells lead to accumulation of bile acid inside the liver

This suggests that NAPstar4.3 is in an almost fully NADP + -bound state in the yeast cytosol, unable of responding to a further oxidation of the NADP redox couple ( Figure S6 )