these delicious blackcurrant flavour chewable 'd' tablets have been specially formulated to be suitable for both adults & children. we use natural xylitol to sweeten the tablets so the formula is aspartame free & because they are sugar free they are tooth friendly too! our bodies obtain vitamin d from two sources our diet & from the action of sunlight on our skin which drives the natural production within the body. if we all had plenty of sun then we would have plenty of vitamin d but in reality we do need to obtain some from our diet particularly during the winter months. vitamin d contributes to, the normal absorption/utilisation of calcium & phosphorus, the maintenance of normal bones & teeth, normal function of the immune system great tasting tablets delicious blackcurrant flavour tooth friendly tablets aspartame free uk- made & tested pharmaceutical gmp standards