Glutathione metabolism in the prefrontal brain of adults with high functioning autism spectrum disorder: an MRS study High efficiency classification of children with autism spectrum disorder PLOS One Full article: Metabolic Pathology of Autism in Relation to Redox Metabolism 87 studies. 9,000+ children. and most parents have never heard this conversation. A meta analysis of 87 studies involving over 9,000 children found consistently lower glutathione levels and higher oxidative stress in children