Sex differences in glutathione metabolism and acetaminophen toxicity Why You Need To Avoid Tylenol Before and After Vaccines Is Tylenol Safe During Pregnancy? Understanding Risk Factors Seeking Health 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. The Hidden Impact of Acetaminophen Well Rooted