Acetaminophen's Role in Autism and ADHD: A Mitochondrial Perspective Does Tylenol Cause Autism? A Review of the Science Linking Tylenol and Autism Spectrum Disorder AboutLawsuits.com What the research says about autism and acetaminophen use during pregnancy Yale School of Public Health 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. Tylenol concerns around autism are overblown, says Dr. Ashish Jha Acetaminophen Toxicity: How Genetic Susceptibility Combines with Environmental Factors