Antioxidant Rich Functional Foods and Exercise: Unlocking Metabolic Health Through Nrf2 and Related Pathways Frontiers Research progress of glutathione peroxidase family (GPX) in redoxidation 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 Esther Formula Liposome Glutathione Direct Ultra X Radiantly