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. Sex differences in glutathione metabolism and acetaminophen toxicity Here's how to make Tylenol work way better Dose it correctly: 1,000 mg at a time, spaced every 8 hours. Smaller doses don't control pain as well. Take it Here's how to make Tylenol work way better Dose it correctly: 1,000 mg at a time, spaced every 8 hours. Smaller doses don't control pain as well. Take it Tylenol And Alcohol: Dangers, Safe Alternatives & Treatment Heres why you should avoid Tylenol , First of all, it is full of colorful dyes, sugars, and additives., But the main reason is it depletes glutathione., Glutathione is one of the most