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Copper in excess is genuinely toxic, and in a zebrafish model free copper caused heart toxicity (Hsiao et al., 2020) though in that same study the GHK peptide chelated copper and reduced the harm, so GHK-Cu is not equivalent to free copper
10.1038/nrurol.2015.58 64 KangS
Las vitaminas B5, B6 y B12 contribuyen a la reduccin del cansancio y la fatiga
J Exp Bot 57:17851793 Barker JE, Heales SJR, Cassidy A, Bolaos JP, Land JM, Clarka JB (1996) Depletion of brain glutathione results in a decrease of glutathione reductase activity
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