is glutathione bad for vitiligo FDA approves new therapy people living with skin-discoloration disorder Glutathione Injection For Skin Whitening:

Lee J, Roh KB, Kim SC, Lee J, Park D (2012b) Soy peptide-induced stem cell proliferation: involvement of ERK and TGF-1

The crossover study of an oral methionine load by Bellamy et al (1998) also supports the view that elevated homocysteine levels may promote vascular disease by impairing flow-mediated endothelium dependent vasodilation

Others are riskier

(PubMed) Curran JE, Jowett JB, Elliott KS, et al

The chemical name is -(5,6-dimethylbenzimidazoly) hydroxocobamide

Additionally, it has demonstrated antioxidant activity, particularly in liver disease progression, by increasing intracellular glutathione levels and improving various liver markers