N-Acetyl-L-Cysteine - 120 Tablets by NutriCology Active Ingredients: Serving Size 1 tablet Servings per container 120 Amount per serving: N-Acetyl-L-Cysteine 500 mg Other ingredients: Dicalcium phosphate, microcrystalline cellulose, magnesium stearate, silicon dioxide, stearic acid, croscarmellose sodium. This nutrient is of the highest quality and purity obtainable, and does not contain preservatives, diluents, or artificial additives. Form: Tablets