Paracetamol toxicity Deranged Physiology Yes there is good evidence that acetaminophen (the active ingredient in Tylenol) can deplete glutathione under certain conditions. But whether that matters depends on dose, duration, and individual factors. Too much paracetamol = dangerous because of how your liver processes it. *Normal dose:* About 90 95% gets broken down safely by glucuronidation + sulfation non toxic stuff you pee out. *The problem Acetaminophen Pathway (toxic doses), Pharmacokinetics Effects of nerol on paracetamol induced liver damage in Wistar albino rats ScienceDirect Oxidative stress mediates end organ damage in a novel model of acetaminophen toxicity in Drosophila Scientific Reports