Best Natural Foods With The Most Antioxidants To Better Health 15 Antioxidant Rich Foods to Add to Your Diet GoodRx 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 What is Glutathione? Foods that are naturally rich in Glutathione Times of India