Free radicals are formed in the body when the body is subjected to toxins and stress. Even just the act of breathing produces free radicals in the body... so it makes sense to ensure the body has adequate levels of antioxidants available at all times. Due to the fact that Glutathione exists within the body, after being produced by the liver, it is the first and most important line of defence the body has to fight metabolic disease and the effects of aging. Glutathione has potentially, extremely good and widespread benefits for the good health of millions of people in the world.