Margaret Westfall, University of Michigan, United States Updates Copyright 2020 Cardinale, Horwath, Elings-Knutsson, Helge, Godhe, Bermon, Moberg, Flockhart, Larsen, Hirschberg and Ekblom
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A: In laboratory research models, GHK-CU acts as a copper chaperone delivering copper(II) ions to copper-dependent enzymes, including lysyl oxidase and superoxide dismutase
Because oral absorption may vary, supplements often include precursors such as N-acetylcysteine (NAC) or L-cysteine, which may support endogenous glutathione production