The Possible Root Causes Of ADHD Explained 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. Anyone else who thinks their ADHD isn't a lack of Dopamine issue? (Instead something else like lack of Norepinephrine, other types of Dopamine dysregulation, etc) : r adhdwomen PDF) The effect of polyphenolic extract from pine bark, Pycnogenol (R), on the level of glutathione in children suffering from attention deficit hyperactivity disorder (ADHD)