Do You Reach for Tylenol Often? Whether it's for pain, headaches, or fever Tylenol (acetaminophen) is one of the most commonly used medications. But here's something most people don't realize 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 metabolism Glutathione, Tylenol & Your Health: What You Should Know