Its pH dependent and works best at acidic pH levels (3-5)
doi: 10.1017/S0007114510002400 111 HananiM
Bril, V., Tomioka, S., Buchanan, R
All in all, several studies have shown it to be a powerful antioxidant for the human body, and one of the glutathione IV benefits is that your body can absorb more of the nutrient than when administered orally
Glutamine, glycine, N-acetylcysteine, selenium, whey protein isolates with bonded cysteine, GSH and pro-GSH supplementation improves GSH deficiency, oxidative stress, mitochondrial dysfunction, inflammation, insulin resistance, endothelial dysfunction, genotoxicity, muscle strength, cognition and surfactant regeneration (301307)
DU L, Deng W, Zeng S, et al