Frontiers Glutathione: A Samsonian life sustaining small molecule that protects against oxidative stress, ageing and damaging inflammation Existing and potential therapeutic uses for N acetylcysteine: The need for conversion to intracellular glutathione for antioxidant benefits ScienceDirect The Combined Antioxidant Effects of N Acetylcysteine, Vitamin D3, and Glutathione from the IntestinalNeuronal In Vitro Model Q Which one of the following is the mechanism of action of N acetylcysteine in treating a case of acetaminophen toxicity? A Blocks metabolism of acetaminophen B Enhances clearance of acetaminophen C Induces P450 enzymes D Supplies