Calcium is one of the most essential and important minerals in our body. It is also the most abundant,99%is located in our bones andteeth. Calcium is also used by almost every cell in the body including the heart and nerves andis necessary for muscle contraction and forthe development and maintenance of bone structure. Calcium is an important component of a healthy diet. In fact, our entire skeleton is renewed approximately everyseven years! This can result in brittle or porous bones, broken bones, low bone density and weakness - especially in later life. It is even more important to ensure that the body can utiliseand absorb the calcium it is given. Natural food complexed calcium may be the most suitable form of calcium for long-term use. Usually good sources of minerals are obtained from natural plant and vegetable foods however calcium content is high in only a select number of foods.