Pure Encapsulations has temporarily discontinued the 240 vcap size of this product. Please check the 120 cap size (NACE7) for availability. Supports respiratory function, glutathione production and detoxification* N-Acetyl-l-Cysteine (NAC) is a derivative of the dietary amino acid l-cysteine. NAC has a high affinity for lung tissue, which it supports through mucolytic and antioxidant action. NAC supports tissue levels of glutathione, a key component of the antioxidant defense system.* Supports cellular antioxidant defense system* Promotes healthy lung tissue* Made with hypoallergenic ingredientsSuggested UseDosage: 1-2 vegetarian capsules per day, in divided doses, between meals.Dietary ConsiderationsWheat Free Dairy/ Milk Free Gluten Free Soy Free Yeast Free Sugar Free Starch Free Preservative Free Hydrogenated Oil Free Corn Free Free of Artificial Colors/FlavorsWarningsCommitment to Quality Program Sourced and manufactured to avoid: -Artificial Additives -Allergens -Environmental Contaminants -Added ExcipientsProduct infoServing Size: 900 mg Servings Per Container: 120 Disclaimer Amount Per Serving N-acetyl-l-cysteine (free-form) 900 mg vitamin C (as ascorbyl palmitate) (hypo-allergenic plant fiber may be added to complete capsule volume requirement) 10 mg Other ingredients: hypo-allergenic plant fiber may be added to complete capsule volume requirement