What is glutathione? Know as the most important antioxidant in the body, glutathione is an essential antioxidant manufactured in all cells, but primarily in the liver. It is essential because it Does Ibuprofen Deplete Glutathione? Understanding the Connection Cymbiotika CYMBIOTIKA Glutathione Supplement Glutathione Antioxidant BrainMD BrainMD Glutathione Impacts Both Batrachochytrium dendrobatidis Virulence and Amphibian Cellular Defense in a Chytridiomycosis Model Webb 2026 MicrobiologyOpen Wiley Online Library L Glutathione Antioxidant Support Allergy Research Group 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.