Tylenol's Impact on Glutathione and Liver Damage Tylenol Glutathione Kizer Wellness LLC Wine and Tylenol: How to Safely Mix Alcohol and Pain Relievers Surely The real danger of Tylenol isn't autism it's liver failure. Acetaminophen, the active ingredient in Tylenol and many cold and flu medications, is one of the leading causes of liver failure 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. No cause has been Tylenol and Glutathione: A Closer Look At Their Relationship