Your bones and teeth depend on calcium for maintenance and healthy function. Young adult women and teens have the greatest need for calcium to prevent osteoporosis later in life. Each serving of Schiff Super Calcium 1200 with Vitamin D provides much more than the minimum requirement of calcium. It also gives you a full day's serving of Vitamin D, which is critical for actually absorbing and using calcium.It may surprise you to learn that calcium doesn't only help your bones. Your nerves, muscles, and many enzymes depend on it to function properly. Help your bones stay strong and dense and maintain your overall health with Super Calcium 1200 with Vitamin D.