A scientific review of four small-scale studies confirmed that glutathione use does result in some skin lightening.24 Additionally, glutathione has also been shown to decrease psoriasis when levels are bolstered by intake of whey protein, which contains glutamylcysteine, a precursor to GSH.25 Most impressively, perhaps the same studies mentioned above also show that glutathione doesn't just lighten, but it improves skin elasticity and decreases wrinkles' appearance
doi:10.1016/j.tibs.2006.11.006 Guse AH
Learn what nutrients, antioxidants and vitamins they contain for skin whitening
10.1104/pp.15.01543 28 DavalS.LebretonL.GazengelK.BoutinM.Guillerm-ErckelboudtA
Life Extension Inositol Caps stands out for three practical reasons: Simple, flexible dosing: Each capsule provides 1,000mg of MI, making it easy to take 1g, 2g, or higher amounts without measuring powders or introducing additional ingredients