- All-in-one bone health formula containing high levels of calcium and magnesium with boron - Plus vitamin D and vitamin K to facilitate the utilisation of calcium - Fine grade mineral compounds to increase solubility - Guaranteed tablet disintegration within 1 hour - Excellent partner for most multis An excellent partner for most multi-vitamin products which don\'t tend to provide decent levels of calcium and magnesium. Most people understand that calcium contributes to the maintenance of normal bones but it is also needed for the maintenance of normal muscle function as is magnesium. We use fine grade minerals in this product to help maximise absorption, and the tablets are coated to make them easy to swallow.