Electrochemical evidences in oxidation of acetaminophen in the presence of glutathione and N acetylcysteine Chemical Communications (RSC Publishing) 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. Why you should avoid REGULAR acetaminophen use for babies and pregnancy 3 Little Plums 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, Autism, And The Glutathione Connection OC Integrative Medicine