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: Reducing the effects of drug toxicity on glutathione metabolism ScienceDirect Tylenol overdose causes mitochondrial damage Tylenol depletes glutathione your liver's most important protective antioxidant. Every dose chips away at it. So instead of taking lower doses every 46 hours, I recommend spacing to 1000mg every 8 hours.