Ask the Doctors What do glutathione supplements do? UCLA Health Glutathione, often called the body's master antioxidant, actually depends on ascorbyl palmitate the fat soluble form of vitamin C to stay active and effective. While glutathione neutralizes free radicals inside cells, 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 What are the Natural Sources of Glutathione? Amazon.com: Immunocal Platinum Glutathione Precursor Advanced Cellular Support with CMP & RMF Immune Support, Antioxidant Defense & Healthy Aging Sugar Free, Lactose Free 30 Servings : Health & Household