Nicotinell Mint 4mg Medicated Chewing Gum Nicotine is an aid to combat withdrawal symptoms caused by giving up smoking. Each gum contains 4mg nicotine and is suitable for smokers smoking more than 30 cigarettes a day. It can also be used by smokers smoking between 20 and 30 cigarettes per day depending on your preference.If you need advice before starting to use nicotine gum, talk to your doctor, nurse or pharmacist. Warning: For adults and adolescents over 12 years of age. Read the enclosed instructions carefully before use.