Glutathione IV Benefits for Athletes: Performance Support AZ IV Medics 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 Frontiers Research progress of glutathione peroxidase family (GPX) in redoxidation Frontiers The effect of selenium on antioxidant system in aquaculture animals