Glutathione is one of the most misunderstood ingredients in skincare. It's not just about skin brightening. And it's definitely not instant magic. Here's the truth Your body already produces glutathione Glutathione in Higher Plants: Biosynthesis and Physiological Mechanisms During Heat and Drought Induced Oxidative Stress Springer Nature Link G6PD enzyme MEDizzy Although G6PD deficiency, which can cause problems in red blood cells upon certain triggers, is the most common human enzyme defect, affecting over 400 million people, including over 1 in 10 Black Frontiers Glutathione deficiency in the pathogenesis of SARS CoV 2 infection and its effects upon the host immune response in severe COVID 19 disease The Electron Transport Chain and Pentose Phosphate Pathway biochemistry