Calcium

This mineral is essential in the development and functioning of the human body by maintaining bone mass, nerve conduction, muscle contraction, and blood clotting. It is an important component of the bones and teeth and is the most abundant mineral found in the human body. The primary dietary sources of calcium include milk, yogurt, and cheese as well as sardines, broccoli, kale, and calcium-fortified foods. The recommended daily allowance is 800 milligrams for adults.