Swanson NAC is a supplement in capsule form containing N-acetylcysteine at 150mg per capsule. Each pack contains 100 capsules. Ingredients: NAC Gelatin Anti-caking agent: magnesium salts of fatty acids Ingredients NAC, gelatin, anti-caking agent: magnesium salts of fatty acids. Allergens unknown Directions One capsule per day, taken with water. Warnings The product cannot be used as a substitute for a varied diet. A balanced diet and a healthy lifestyle are important for the functioning of the human body. Storage unknown