Glutathione facts: 1. Glutathione is an important antioxidant in the body that helps protect cells from damage caused by free radicals. It is found in almost every cell and is composed of Glutathione or GSH is an antioxidant in plants, animals, fungi, and some bacteria and archaea. 3d illustration Stock Photo Alamy Glutathione: Discover Its Benefits Glutathione is known as the master antioxidant. This critical compound protects cells from damage caused by free radicals and toxins, supports detoxification, plays a key role in DNA synthesis and repair, How to Increase Cellular Glutathione G6PD Deficiency Glucose 6 phosphate dehydrogenase deficiency X linked recessive disorder Leads to low NADPH, impairing glutathione regeneration RBCs are vulnerable to oxidative damage Pathophysiology: In G6PD deficiency: No