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 Tylenol Liver Damage Signs, Causes, Dosage, Stages & Prognosis Exposure to acetaminophen and all its metabolites upon 10, 15, and 20 mg kg intravenous acetaminophen in very preterm infants Pediatric Research Glutathione, Tylenol & Your Health: What You Should Know