Is Tylenol Safe During Pregnancy? Understanding Risk Factors Seeking Health 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 & Myth busting, Acetaminophen version. "Avoid Acetaminophen (Tylenol) because it causes glutathione depletion". Truth?? As a pediatrician and ER doctor and as moms we're often asked about this. And we understand why: View of Acetaminophen, the missing anion gap in the patient with metabolic acidosis The Southwest journal of medicine Tylenol And Glutathione Invigor Medical