Nicorette Gum 2in1 Action fights nicotene cravings and also whitens teeth.Nicorette Gum is a quit-smoking aid. Nicorette Gum works by relieving nicotine cravings and withdrawal symptoms. It may be used to: 1. Stop smoking abruptly, or, 2. Cut down smoking before stopping. Use in adolescents under professional supervision only. Read pack insert before use. Use only as directed. Foil sealed for your protection.