Studies show that people with ADHD and Autism have about 20 40% less Glutathione than their peers. in the treatment of autism symptoms helps to reduce oxidative stress and inflammation leading to Conditions Mindd Foundation ADHD drugs increase brain glutamate, predict positive emotion in healthy people Brown University Researchers are studying a possible link between acetaminophen (Tylenol) use during pregnancy and higher autism or ADHD risk. It may lower glutathione, an important antioxidant for brain development. The Possible Root Causes Of ADHD Explained