When Good Drugs Go Bad: Acetaminophen Toxicity tl;dr pharmacy TYLENOL [Acetaminophen] metabolism A lot of GLUTATHIONE is needed to deal with the Oxidative Stress generated by the CYP 450 metabolism of Tylenol. When people go to the ER for Tylenol Overdose Is Tylenol Safe During Pregnancy? Risk Factors, Not Causation 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, Tylenol's Impact on Glutathione and Liver Damage Just say NO to Tylenol