Tylenol and Glutathione: Myths Debunked Tylenol And Glutathione Invigor Medical Tylenol And Glutathione Invigor Medical 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. Beware of Excessive Tylenol Pain And Spine Care 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