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Several studies report that plasma glutathione levels decrease with age, thus increasing the chances of developing chronic health conditions

[DOI] [PMC free article] [PubMed] [Google Scholar] 400.Wolfe K., Wu X., Liu R.H

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longer in tissue depots ROUTES Topical (cosmetic) Subcutaneous (research) Intradermal (research) MECHANISM OF ACTION Naturally occurring tripeptide Gly-His-Lys bound to a Cu ion

Ghergurovich et al
