Autism: Now what? International Support Group! The Star Academy 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 Neuroinflammation and Oxidative Stress in the Pathogenesis of Autism Spectrum Disorder The appeal of glutathione injections makes sense. Glutathione is one of the most important antioxidants your body produces, and levels drop as you age, making the idea of a quick boost tempting.