Yes most commercial oral glutathione, including liposomal tablets, is produced through yeast fermentation rather than derived from animal sources, and reputable Indian brands typically confirm vegetarian status on the label
Since it is instead touching as an antioxidant, the use of inferior components or poor production can interfere with the effectiveness of glutathione in our bodies
It also comes with a relative amount of risk and is only prescribed in specific cases
Wang H, Fan S, Zhan Y, Xu Y, Du Y, Luo J, et al
Media and culture conditions Wild-type yeast strains were pre-cultured in 5 mL of YP20D medium containing 10 g/L yeast extract, 20 g/L Bacto Peptone, and 20 g/L glucose at 30 C and 250 rpm for 48 h
Localization and functional coupling of HGF and c-Met/HGF receptor in rat brain: Implication as neurotrophic factor