glutathione advanced 1500mg with vitamin c 6970mg Powder Enhanced Collagen & | Supports Overall Wellness | Berry Flavor 10 Sets of New Advanced

3.3.2 Intracellular GSH Level Elevation In vitro studies demonstrate that SAG effectively replenishes intracellular GSH pools across various cell types, particularly in cellular models with impaired endogenous GSH synthesis

Liu H, Gambino F Jr, Algenio CS, Wu C, Gao Y, Bouchard CS

You can increase glutathione through eating glutathione foods, but since its poor absorbed glutathione-supporting foods may be a better bet

Again, I used it for the body because I have my derma-recommended products for my face

Your natural production of glutathione reduces by 30% in your forties, and by the age of 65, the production is 50% less

crosses the BBB & produces CNS effects such as tremor, choreiform movements, and mental aberrations