Calcium and vitamin are the most important element which helps in achieving better health and growth in horses and equines. These nutritional elements are vital used for the better development of bones and skeletal structure. It works as a messenger in cell signalling pathway throughout the body and promotes better functioning of cells, transmission of nerve signals, secretion of hormones, muscles contraction and relaxation. Any kind of inadequacies of calcium in the body it can cause severe health problem to the body. One of the greatest source of calcium and vitamin is the feed which these animals takes. If the feed fails in providing the required amount of calcium there is immediately requirement of external calcium supplementation which can replenish the calcium deficiency. Calavian is one the recommended calcium supplement which is used in this situation. Its composition composed of calcium gluconate, vitamin D3, calcium D saccharate which are some vital calcium compound that are very beneficial in removing calcium deficiency. It also helpful in removing the vitamin deficiency for getting the best health. With the proper usage it benefits the body in many ways. It is one of the best highly bio available calcium.