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 Mercury induced excitotoxicity in autism spectrum disorder: disruption of glutamatergic homeostasis and the therapeutic role of the selenium glutathione axis BioMetals Springer Nature Link Medical treatment of autism spectrum disorder in children: Current evidence, controversies, and clinical challenges Medical treatment of autism spectrum disorder in children: Current evidence, controversies, and clinical challenges Causes of autism Wikipedia