We are constantly told that it is important to have a minimum calcium intake, but why in fact? A little reminder:calcium is an essential mineral for the maintenance and strength of bones, which develop until the age of 30, and teeth. It ensures healthy functioning of muscles, cells and nerves. It normalizes heartbeats and plays an important role in blood clotting, which is essential for wound healing. For an adult, the minimum calcium requirement is 1000 mg per day. Dairy products are known to be the main source of calcium. However, not everyone is keen on milk and its many derivatives. Here is a list of dairy products rich in calcium – and not only – to guide lactose intolerant people, vegans and others.