Myth busting, Acetaminophen version. "Avoid Acetaminophen (Tylenol) because it causes glutathione depletion". Truth?? As a pediatrician and ER doctor and as moms we're often asked about this. And we understand why: Paracetamol toxicity Deranged Physiology 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 A 48 hour fast can turn standard Paracetamol into acute liver failure. Fasting depletes Glutathione, leaving the liver defenseless against toxic NAPQI. Review the latest guidelines on BMJ Best Practice: https: bestpractice.bmj.com topics en us 1010 Perinatal exposure to paracetamol: Dose and sex dependent effects in behaviour and brain's oxidative stress markers in progeny ScienceDirect