Acetaminophen Toxicity: How Genetic Susceptibility Combines with Environmental Factors BU Autism Expert Says Research Hasn't Confirmed Tylenol Link The Brink Boston University Does Tylenol Cause Autism? A Review of the Science Linking Tylenol and Autism Spectrum Disorder AboutLawsuits.com Read Our Blogs Philadelphia Integrative Psychiatry 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.