Ways to Quit Nicotine Gum | Nicotine Patches | Nicotine Spray & Inhaler Zyban | Hypnosis & Acupuncture | Cold Turkey Cold Turkey   Success Rate 5%     What it is: Arguably the toughest method of cessation, though many ex-smokers say it allowed them to remain in control. It is certainly the cheapest. How it works: You suddenly stop smoking altogether.