Role of NAD+, Oxidative Stress, and Tryptophan Metabolism in Autism Spectrum Disorders Musthafa Mohamed Essa, Selvaraju Subash, Nady Braidy, Samir Al Adawi, Chai K Lim, Tamilarasan Manivasagam, Gilles J Guillemin, 2013 Glutathione: The Master Antioxidant and Its Importance in Autism Wellness Speaks Studies show children with autism have significantly lower levels of glutathione, the body's master antioxidant. Without enough glutathione, the body struggles to eliminate toxins, making it harder to cope with everyday Studies show children with autism have significantly lower levels of glutathione, the body's master antioxidant. Without enough glutathione, the body struggles to eliminate toxins, making it harder to cope with everyday