8 Ways to Boost Glutathione Boost Glutathione for Better Health and Brighter Skin InVita Wellness Food rich in glutathione: broccoli, cauliflower, banana, spinach, carrot, orange, avocado, onion, nuts. Glutathione is an antioxidant; helps make proteins in the body; has a variety of health benefits Stock Photo Sulfur rich foods support glutathione,an intracellular antioxidant that helps cells detoxify. #plantbased The 7 Best Glutathione Foods Foods Highest in Glutathione 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,