Selenium and Your Genes Eat These Foods to Increase Glutathione in Your Body Vitality Medical Wellness Center Selenium (Se) Some facts about Se: Selenium is an essential mineral found in minute quantities in the body, about (4 10 Glutathione is a critical soldier in our line of defense. We even have mechanisms that recycle and reuse it. But what happens when our toxic burden becomes too high? Our genetic detoxification Frontiers Selenium Supplementation and Crop Plant Tolerance to Metal Metalloid Toxicity