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 A quantitative depiction of the concentration of glutathione found in Download Scientific Diagram Natural Ways To Increase Glutathione Levels 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 Phytonutrient profiling of spinach leaves using LC ESI QTOF MS: Linking polar and non polar extracts to enzyme inhibitory properties ScienceDirect