The biochemistry of acetaminophen hepatotoxicity and rescue: a mathematical model Theoretical Biology and Medical Modelling Springer Nature Link 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 Tylenol: How much is too much of a good thing? Allied Medical Training Acetaminophen Toxicity: What Pharmacists Need to Know Acetaminophen metabolism