Nicorette Nicotine Gum is a type of Nicotine Replacement Therapy. Nicotine Replacement Therapy (NRT) helps you quit smoking cigarettes by supplying nicotine in the correct dosages to your body when you need it. Smoking is very addictive and can create withdrawls symptoms in two ways; mentally and physically. In order to succesfully quit smoking you must overcome both aspects of your addiction. NRT products such as Habitrol Gum, is designed to relieve some of your physical addiction symptoms. There are methods to help soothe mental addiction. An example would be to use a stop smoking program. In order to quit for good, you should try multiple methods including NRT and quit smoking programs. Expect failure, but the important part is to never stop trying to quit.