DESC: Nicorette gum aids you to quit smoking by decreasing your desire to have a cigarette. If you smoke more 50 cigarettes a day: use Nicorette 4mg. If you smoke less than 50 cigarettes a day: use Nicorette 2mg. Each piece of gum uses chew activated release of nicotine polacrilex. You must be 18 YEARS OR OLDER to buy nicotine products.