Calcium is the most essential mineral for the development and maintenance of the bones. Calcium is also of utmost importance in tooth formation. It also plays a major role in other body functions. Calcium is one of the most vital and most plentiful minerals in our body.
There are many delightful food Sources of Calcium. Dairy products are very rich sources of calcium. Eggs, green leafy vegetables, whole grains broccoli, legumes, nuts also provide calcium. But the amount of calcium contained in these is less than dairy products.
Proper absorption of Calcium is important. It is found that about only 10-30% of the calcium in consumed food is absorbed into the body. Calcium is broken down into simpler forms by the digestive system so that the body can readily use it. Calcium is absorbed in the small intestine from where it is transported to the various parts of the body.
The absorption of calcium is dependent on some factors. The amount of vitamin D in the body and the quantity of calcium already present in the blood flow, influences the absorption.
The effervescent drinks such as soda and Champagne prevent the absorption of calcium and causes loss of calcium out of the bones.
Almost 99% of the calcium is amassed in bone tissue in the body. The residual 1% of the calcium flows within the blood and body fluids.
Calcium has many important functions. Calcium present in the blood cells plays a crucial role in transmission of nerve impulses, blood clotting, muscle contraction, and many important metabolic activities. Calcium in the blood should be in continuous balance with phosphate. On the whole, the adequate and favorable calcium in the body depends on dietary intake to a large extent, as well as the competence of absorption of the calcium from the intestinal tract.