Nicotine Gum 4 mg is for smokers who smoke 25 or more cigarettes a day. To reduce withdrawal symptoms, including nicotine craving, associated with quitting smoking. To increase your success in quitting: You must be motivated to quit. Use enough – Chew at least 9 pieces of Nicotine Gum 4 mg per day during the first six weeks. Use long enough – Use Nicotine Gum 4 mg for the full 12 weeks.