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) Any suggestions on supplements that can help my ADHD DMDD child? He has MTHFR and COMT. I have him on the below supplements but I'm still having issues with his impulsitivity Glutathione Supplement Glutathione Antioxidant BrainMD BrainMD 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.