PDF] Evidence that Increased Acetaminophen use in Genetically Vulnerable Children Appears to be a Major Cause of the Epidemics of Autism, Attention Deficit with Hyperactivity, and Asthma Semantic Scholar Problem 2: N acetyl para benzoquinone (NAPQI) is an oxidized metabolite of acetaminophen formed in the liver. NAPQI is converted into an acetaminophen glutathione conjugate, a non toxic metabolite A quantum chemical study of the reactivity of acetaminophen (paracetamol) toxic metabolite N acetyl p benzoquinone imine with deoxyguanosine and glutathione ScienceDirect 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.