What Are the Potential Sites of Protein Arylation by N Acetyl p benzoquinone Imine (NAPQI)? Chemical Research in Toxicology 5 Antidote: NAC (N acetylcysteine) NAC replenishes glutathione, restoring the ability to detoxify NAPQI. It's lifesaving if given early. Example: Hospitals use NAC as the standard treatment for APAP overdose. Acetaminophen and aspirin toxicity are both high yield, but the injury pattern is very different. Acetaminophen overdose overwhelms glutathione, allowing NAPQI to build up and cause hepatic necrosis. The antidote is N acetylcysteine, which Liposomal Glutathione 500mg with Whole Foods, Antioxidant & Immune Support, Supplements Studio 120Ct Paracetamol (Acetaminophen) Poisoning IntechOpen