Tylenol And Glutathione Invigor Medical Yes there is good evidence that acetaminophen (the active ingredient in Tylenol) can deplete glutathione under certain conditions. But whether that matters depends on dose, duration, and individual factors. Acetaminophen metabolism Correct Answer: B. N acetylcysteine (NAC) Why is this High Yield? Acetaminophen (Paracetamol) is widely used, making toxicity a common ER presentation. 1. Mechanism of Toxicity: Acetaminophen is metabolized in the liver. View of Acetaminophen, the missing anion gap in the patient with metabolic acidosis The Southwest journal of medicine