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 A clinical trial of glutathione supplementation in autism spectrum disorders Mercury induced excitotoxicity in autism spectrum disorder: disruption of glutamatergic homeostasis and the therapeutic role of the selenium glutathione axis BioMetals Springer Nature Link AUTISM Genetics of glutamate and its receptors in autism spectrum disorder Molecular Psychiatry Predictive value of selected biomarkers related to metabolism and oxidative stress in children with autism spectrum disorder Metabolic Brain Disease Springer Nature Link