- CalAsorb supplies calcium in the citrate form which is believed to be one of the most easily absorbed compounds of calcium. - Three tablets provide a full 800mg of calcium which is the recommended nutrient reference value. - Calcium plays an important part in the maintenance of normal healthy bones. - Plus, vitamin D3, since this nutrient is also known to contribute to the maintenance of normal bones. - This product is made in the UK to pharmaceutical GMP standards. CalAsorb supplies calcium in the citrate form which is believed to be one of the most easily absorbed compounds of calcium. Three tablets provide a full 800mg of calcium which is the recommended daily allowance. It is believed that many people\'s diets provide insufficient supplies of calcium and yet calcium plays an important part in the maintenance of normal healthy bones. The DoH recommends that women should have an intake of up to 1200mg of calcium per day, a level that is hard to achieve through diet alone, especially if the diet contains little dairy produce.