Minerals have many important roles in the structure and function of the body. The body needs minerals to build and maintain healthy teeth and bones, carry nerve signals to and from the brain, carry oxygen to the cells, regulate blood sugar levels, and maintain a healthy immune system.

A total of 60 minerals have been discovered in the body, and 22 are essential to health. Minerals include calcium, sodium, and iron. Eating a variety of foods is the healthiest way for a body to receive all the minerals it needs.