oral glutathione skin lightening clinical study Full article: as an whitening agent: A randomized, double-blind, placebo-controlled Glutathione for Skin Lightening :
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10.1093/nar/gkx565 [DOI] [PMC free article] [PubMed] [Google Scholar] 71.Chen SH, Yu X (2019) Targeting dePARylation selectively suppresses DNA repair-defective and PARP inhibitor-resistant malignancies

It plays a key role in energy metabolism, DNA repair, and reducing oxidative stress

One-carbon metabolism and breast cancer: An epidemiological perspective

D., Li X., et al

This results in enhanced activities of SOD, CAT, and GSH-Px, reduced levels of ROS, MDA, and the oxidative DNA lesion marker 8-hydroxy-2-deoxyguanosine (8-OHdG) (Li et al., 2020)
