Acetaminophen (Paracetamol) Metabolites Induce Vasodilation and Hypotension by Activating Kv7 Potassium Channels Directly and Indirectly Arteriosclerosis, Thrombosis, and Vascular Biology 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. Acetaminophen Toxicity: How Genetic Susceptibility Combines with Environmental Factors Glutathione and arginine levels: Predictors for acetaminophen associated asthma exacerbation?