Active ingredient (in each chewing piece): nicotine polacrilex (equal to 4 mg nicotine), stop smoking aid. Inactive ingredients: acesulfame potassium, calcium carbonate, carnauba wax, d&c yellow no. 10, flavors, gelatin, gum base, mannitol, sodium bicarbonate, sodium carbonate anhydrous, sorbitol, talc, titanium dioxide, xylitol.
Manufacturer likely did not include an allergen statement; however, please double-check the product packaging and/or contact the manufacturer if you have a severe food allergy.