About 99% of the body's calcium is found in bones and teeth. The other amount is found in the blood, lymph nodes and other body fluids, cell membranes, and in the cell.

"Calcium helps you build bones, but it's also necessary for your hair, nails, teeth and skin," says Natalie Rizzo, nutrition editor at TODAY. Other minerals, like phosphorus and magnesium ...

"Calcium helps you build bones, but it's also necessary for your hair, nails, teeth and skin," says Natalie Rizzo, nutrition editor at TODAY. Other minerals, like phosphorus and magnesium ...