Effect of spinach derived glutathione against carbon tetrachloride induced stress in rats Functional Foods in Health and Disease Online ISSN: 2160 3855; Print ISSN: 2378 7007 How to increase glutathione levels: 4 natural ways Glutathione: The Ultimate Antioxidant for Your Health 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