Clinical toxicity of Acetaminophen Glutathione 500 Mg Tab at 650 strip Glutathione Tablet in Sirsa ID: 2855562984288 What Are the Potential Sites of Protein Arylation by N Acetyl p benzoquinone Imine (NAPQI)? Chemical Research in Toxicology 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.