What a trio! Holland & Barrett present three of the biggest names in essential minerals - all conveniently together in one caplet. When we think of bone health, it's been drilled into most of us that calcium is key and that is very true! Calcium is needed for the maintenance of normal bones. It is also important for post-menopausal women as a good level of calcium can help to reduce the loss of bone mineral and lower the risk factor of osteoporotic bone fractures. Magnesium also plays a key role in the structural development of our bones and teeth, and zinc helps to maintain healthy bones.