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 & Acetaminophen Induced Hepatotoxicity: a Comprehensive Update Could Tylenol be making your child's health worse? Acetaminophen is widely used for pain and fever relief, but research suggests it depletes glutathione, a powerful antioxidant essential for immune function, Ferroptosis and intrinsic drug induced liver injury by acetaminophen and other drugs: a critical evaluation and historical perspective EurekAlert!