Which foods are highest in glutathione ? Glutathione Foods: 10 Natural Ways To Increase Glutathione Level Plix 10 Foods That Contain Glutathione Core Med Science 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 Glutathione is known as the master antioxidant. This critical compound protects cells from damage caused by free radicals and toxins, supports detoxification, plays a key role in DNA synthesis and repair,