Acetaminophen Overdose Reveals PAR4 as a Low Expressing but Potent Receptor on the Hepatic Endothelium in Mice Arteriosclerosis, Thrombosis, and Vascular Biology 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 Pharmacokinetic profile of metabolites by heart cutting two dimensional liquid chromatography: A focus on paracetamol analysis ScienceDirect Glutathione, Alcohol and drugs