The 7 Best Glutathione Foods Foods Highest in Glutathione 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 Glutathione, the Underrated Antioxidant You Need in Your Diet Want to naturally boost your glutathione levels? These foods are your secret weapons. Incorporate these into your diet and experience the glow from within! Share this with your friends