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 & Heres why you should avoid Tylenol , First of all, it is full of colorful dyes, sugars, and additives., But the main reason is it depletes glutathione., Glutathione is one of the most Paracetamol (Acetaminophen) hepatotoxicity and its management. How Acetaminophen Causes Liver Failure Biocompare: The Buyer's Guide for Life Scientists