Nature?s Field Mega Calcium offers you the recommended daily amount of Calcium, along with Magnesium, Zinc, Copper and more to support healthy bone density. Your body needs Calcium to build and maintain strong bones and teeth. Over 99% of the calcium in your body is stored in your bones and teeth. Bones becomes more fragile and easier to break if not properly taken care of. Your body needs calcium to build strong bones, send nerve signals and contract muscles. Nature?s Field Mega Calcium helps you meet your daily recommended calcium level.