Nicorette 4 mg gum 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, chew at least 9 pieces of Nicorette per day during the first six weeks and use Nicorette for the full 12 weeks. Nicotine gum is a medicine and must be used a certain way to get the best results. Before using this product, read the enclosed User's Guide for complete directions and other important information. Stop smoking completely when you begin using the gum.