Is Tylenol Safe During Pregnancy? Risk Factors, Not Causation Tylenol Avoid or Not to Avoid? Acetaminophen (Tylenol) can deplete glutathione, your body's most important detox antioxidant. This matters even more if your child has an MTHFR gene mutation, which GSH reduces NAPQI, the metabolite responsible for hepatotoxicity in acetaminophen toxicity. Toxic doses increase oxidation into NAPQI, overwhelming glutathione. How does ethanol interfere with acetaminophen metabolism? Image: https: t.co 6EY9dIwLXY Acetaminophen Anesthesia Key Sex differences in glutathione metabolism and acetaminophen toxicity Frontiers Acetaminophen induced liver injury: Molecular mechanism and treatments from natural products