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. Do You Reach for Tylenol Often? Whether it's for pain, headaches, or fever Tylenol (acetaminophen) is one of the most commonly used medications. But here's something most people don't realize The biochemistry of acetaminophen hepatotoxicity and rescue: a mathematical model Theoretical Biology and Medical Modelling Springer Nature Link Jenny McCarthy's Glutathione and Tylenol Claims: Medical Toxicologist Weighs In MedPage Today Before you spend money on glutathione, read this first. Topical, oral, injectable what actually works and what's just marketing? #funskincare #funingredientsinfographic101 Cymbiotika Citrus Vanilla Liposomal Glutathione Ulta Beauty