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 an overview ScienceDirect Topics Full article: The central role of glutathione in the pathophysiology of human diseases Glutathione Metabolism an overview ScienceDirect Topics Glutathione: Physiological and Clinical Relevance Restorative Medicine