Calcium has many important roles in our body. Together with vitamin D, it’s needed for the normal growth and development of bone in children up to the age of 18 and plays a role in maintaining normal bones and teeth throughout life. Plus calcium supports the normal functioning of our muscles and nerves and is needed for the digestive enzymes to work normally. It also plays a role in producing energy in our body and is needed for blood to clot normally. Langoustine, oyster and tilapia contain calcium, but brown crabmeat is especially rich in this mineral. Tinned fish, which contain tiny edible bones, such as anchovies and sardines, are also packed with calcium. For example, a 125g tin of whole sardines canned in tomato sauce has 568mg calcium – that’s 71 percent of our daily needs for this nutrient.

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