does glutathione helps in skin whitening Benefits For Your Health And Glutathione for Skin Lightening :
Description
In these antioxidant reactions, glutathione is oxidized to form the oxidized disulfide form, GSSG which is then, in turn, reduced back to glutathione using NADPH.[ref] Mitochondria are essential for the production of ATP for energy storage in cells

This isn't an ingredient to approach casually

Look for supplements that have been third-party tested for purity and potency, and consider consulting with a healthcare provider before beginning any new supplementation regimen
Yang et al., 2001
