What's all the hoopla about Calcium? Are calcium supplements really required? We have seen so many ads on the importance of calcium in our diet does it really matter? Here are a few answers to those questions you all have and some tips to ensure that it is included and assimilated properly in your diet. Why do we need calcium in our diet? Calcium helps your body with: Building strong bones and teeth Clotting blood Sending and receiving nerve signals Contracting and relaxing muscles Releasing hormones and other chemicals Maintaining a normal heartbeat What are the best sources of calcium?