Impaired synthesis and antioxidant defense of glutathione in the cerebellum of autistic subjects: Alterations in the activities and protein expression of glutathione related enzymes ScienceDirect 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 Does Vitamin D Deficiency Increase the Risk of Autism Spectrum Disorder? Linking Evidence with TheoryA Narrative Review Glutathione metabolism in the prefrontal brain of adults with high functioning autism spectrum disorder: an MRS study