Nicotinell Chewing Gum 2mg Mint 24 Nicotinell Gum is an aid to combat the withdrawal symptoms caused by giving up smoking. The gum is available in 2 strengths, 2mg regular and 4mg extra strength. Nicotinell medicated chewing gum contains nicotine. Stop smoking aid. Always read the label. Requires willpower. Nicotinell 2mg medicated chewing gum is for smokers smoking less than 20 cigarettes per day.If you smoke more than 30 cigarettes per day use Nicotinell 4mg medicated chewing gum. 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.