Best Glutathione Supplement 4 Recommendations in 2026 Glutathione, often dubbed the master antioxidant plays a crucial role in detoxification, immune function, and protecting our cells from oxidative stress. Here are some signs that your levels might be low: Persistent Glutathione IV Benefits for Athletes: Performance Support AZ IV Medics 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. Frontiers Deuterium trafficking, mitochondrial dysfunction, copper homeostasis, and neurodegenerative disease