NAC supports immune health, respiratory function and detoxification. It has natural anti-inflammatory properties that help eliminate harmful substances from the lungs, making breathing easier, and it promotes glutathione production to combat oxidative stress. NAC may also support cognitive function and mood. Take one capsule daily with food and water. Ingredients include a hydroxypropyl methylcellulose capsule shell, magnesium stearate, silicon dioxide and corn-based maltodextrin. Not suitable for those avoiding corn.