What Are the Potential Sites of Protein Arylation by N Acetyl p benzoquinone Imine (NAPQI)? Chemical Research in Toxicology Glutathione Results Timeline: When To Expect Skin Benefits How acetaminophen is metabolized in the liver Alcohol and paracetamol are both processed through the liver. Paracetamol can form a toxic metabolite called NAPQI, which the body usually neutralises safely. But factors like heavy alcohol use, repeated dosing, fasting,