Enerex NAC 1000 - As an antioxidant, N-Acetyl Cysteine, a derivative of the amino acid cysteine, stimulates the production of glutathione, another potent antioxidant and one of your liver’s main detoxifying compounds. By squelching free radicals NAC helps slow aging and reduce inflammation, which can increase your risk of chronic disease. This scavenger helps protect cell walls from damage, which in turn supports our immune system so it does not have to deal with mutated cells so that immune resources can be focused where better needed.