N Acetylcysteine (NAC) 500 mg Boosts Glutathione Thorne N acetyl l cysteine averts ferroptosis by fostering glutathione peroxidase 4 ScienceDirect Glutathione is the body's master antioxidant. It is important for handling oxidative stress, detoxification, and immune health. Low glutathione is linked to many chronic illnesses. Knowing what your body needs to make 5 Antidote: NAC (N acetylcysteine) NAC replenishes glutathione, restoring the ability to detoxify NAPQI. It's lifesaving if given early. Example: Hospitals use NAC as the standard treatment for APAP overdose.