Tylenol Avoid or Not to Avoid? Acetaminophen (Tylenol) can deplete glutathione, your body's most important detox antioxidant. This matters even more if your child has an MTHFR gene mutation, which Acetaminophen induces liver injury and depletes glutathione in mice brain: Prevention by Moringa oleifera extract ScienceDirect 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. Frontiers Paracetamol Induced Glutathione Consumption: Is There a Link With Severe COVID 19 Illness?