Details: Reduces withdrawal symptoms, including nicotine craving, associated with quitting smoking. For those who smoke 25 or more cigarettes a day. If you smoke less than 25 cigarettes a day, use Nicotine Polacrilex Gum 2 mg. Free Audio CD upon request. See inside.Active Ingredients: Each Chewing Piece: Nicotine Polacrilex (Equal To 4 mg Nicotine)