What is the Body's Master Antioxidant? What Foods Are High In Glutathione? Route2Health Glutathione is such an important antioxidant in human physiology, meaning it acts to combat oxidative stress. Strategies for increasing glutathione include: Consume sulfur rich foods like cruciferous vegetables Ensure you get A quantitative depiction of the concentration of glutathione found in Download Scientific Diagram What is Glutathione? What are the Benefits of Glutathione? 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