It is well known that calcium is needed for our bones to grow. In fact, most of the calcium in our body is found in the bones. Even after bones have stopped growing, calcium is needed. A very small amount of calcium is found in the blood.
Calcium helps blood to clot and muscles to squeeze and relax.
It's even needed to keep the heart beating at a steady rate. Adults need about 3 servings of calcium daily. Gas, cramps, bloating or an upset stomach can result. Dairy products that have been cooked, such as yogurt and cheese, may not cause symptoms, because heat breaks down the milk sugar, lactose. People who can't eat any dairy foods without symptoms can take a special tablet before eating dairy products.