Ingredients: Contains 4 milligrams (mg) of nicotine (the active ingredient). Other ingredients are chewing gum base (contains butylated hydroxytoluene (E321)), xylitol (E967), peppermint oil, sodium carbonate anhydrous, acesulfame potassium, levomenthol, magnesium oxide, quinoline yellow Al-lake (E104), talc, winterfresh, hypromellose, sucralose, polysorbate 80, purified water, pre-gelatinised starch, titanium dioxide (E171) and carnauba wax. The chewing gum base contains butylated hydroxytoluene (E321), an anti oxidant.