Stop-it Smoking 2 Part Program Formerly NicoRX. 1 kit with 60 tablets and 48 lozenges. Stop-it Smoking gives you all of the crave-crushing power you'll need to quit without the nicotine. Stop-it Smoking is a two-part smoking cessation program with two separate products that address craving reduction and body detoxification. It works by naturally easing your body away from the cravings and toxins that have built up over years of smoking. Stop-it Smoking kit is designed to help you quit smoking without the use of nicotine. It works by reducing tobacco cravings; nervous tension and irritability related to nicotine withdrawal.