Autism and Low Glutathione Levels MTHFR Support Australia Studies show children with autism have significantly lower levels of glutathione, the body's master antioxidant. Without enough glutathione, the body struggles to eliminate toxins, making it harder to cope with everyday Unveiling Effective Supplements and Vitamins for Autism Brighter Strides ABA Neurodevelopmental Impact of Advanced Glycation End Products in Children with Autism Spectrum Disorder ACS Chemical Neuroscience Metabolic biomarkers of increased oxidative stress and impaired methylation capacity in children with autism The American Journal of Clinical Nutrition Tylenol can lower the body's key antioxidant, glutathione, though this isn't seen on routine labs. But mechanistic data clinical proof, so we still need good trials. The Tylenolautism link isn't clear.