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. Acetaminophen: Is Too Much of a Good Thing Too Much? Compendium of Continuing Education in Dentistry Does glutathione pose a danger or have side effects? Fulminant Hepatic Failure Neupsy Key