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 Interleukin 4 deficiency protects mice from acetaminophen induced liver injury and inflammation by prevention of glutathione depletion Inflammation Research Springer Nature Link Tylenol and glutathione, actually explainedhere's the bullet points: * Lots of concern raised on social media re: glutathione depletion and acetaminophen use * Glutathione is used in the metabolism Frontiers Commentary: Paracetamol Induced Glutathione Consumption: Is There a Link With Severe COVID 19 Illness? 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: