Benefits of Glutathione for your Body Supplements Studio 7 Foods Rich In L Glutathione that You Must Eat NOW! What are the Natural Sources of Glutathione? One of the most potent antioxidants your body makes is glutathione, a.k.a. the mother of all antioxidants. Every cell in your body contains glutathione and its main job is to protect your 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