Acetaminophen (Paracetamol) Toxicity A common and potentially fatal cause of acute liver failure due to toxic accumulation of the metabolite NAPQI when glutathione stores are depleted. Early recognition and timely administration What causes hepatic necrosis from acetaminophen overdose? Absorption, Safety, and Detoxification Effects of Oral Liposomal Glutathione Townsend Letter Acetaminophen MSK Medbullets Step 1 3 Glutathione Rescue Normally, glutathione binds NAPQI and converts it into non toxic byproducts (cysteine + mercapturic acid) that are excreted. Example: Glutathione is your liver's safety net against toxins. Acetaminophen Pathway (toxic doses), Pharmacokinetics