Full article: First line defence antioxidants superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPX): Their fundamental role in the entire antioxidant defence grid Protection Against Oxidative Stress and IGF I Deficiency Conditions IntechOpen Catalase and Glutathione Peroxidase Are Equally Active in Detoxification of Hydrogen Peroxide in Human Erythrocytes ScienceDirect The balance of prooxidants and antioxidants in the human body is heavily reliant on an adequate supply of dietary micronutrients. Important antioxidant enzymes like superoxide dismutase (SOD) William Wallace, Ph.D Glutathione Peroxidase Catalase Cooperativity Is Required for Resistance to Hydrogen Peroxide by Mature Rat Oligodendrocytes Journal of Neuroscience Glutathione peroxidase Wikipedia