250mg Sodium Alginate, 106.5mg Sodium Bicarbonate, 187.5mg Calcium Carbonate, Xylitol, Carmellose Sodium, Magnesium Stearate, Macrogol 20, 000, Mannitol (E421), Copovidone, Acesulfame-K, Aspartame (E951), Mint Flavour and Carmoisine Lake (E122). These tablets do not contain sugar or gluten.