Don't Suppress a Fever Tylenol's Impact on Glutathione and Liver Damage The Metabolism of Acetaminophen and the Synthesis of Glutathione Download Scientific Diagram Acetaminophen, also known as Tylenol, is used to help with pain & to reduce fever. However, taking too much acetaminophen can be harmful to the liver which filters out toxins & Early life acetaminophen exposure, glutathione S transferase genes, and development of adolescent asthma in a high risk birth cohort Journal of Allergy and Clinical Immunology