Which Area of the Body Is Best to Inject Glutathione? Glutathione is a powerful antioxidant made by the body that helps protect cells, support detoxification, and promote healthy, glowing skin. These foods naturally help boost and protect glutathione levels supporting skin health Food High in Glutathione with Chemical Formula of Glutathione. Natural Food Sources of Glutathione Include Fruit, Vegetable, Nuts Stock Photo Image of fruit, glutathione: 300102804 Boost Glutathione Naturally With These 10 Foods