A fourth essential nutrient is water, which is needed by all of the cells in the body to function efficiently, to regulate body temperature, and for other necessary activities.

Minerals are inorganic substances needed for a variety of body functions, from producing red blood cells, which carry oxygen to the body, to building bones and teeth. They are found in the foods we consume, and if we do not consume these necessary minerals, our bodies risk serious health problems.

Vitamins are substances needed by the body for production of healthy tissue, regulation of the nervous system, absorption of essential nutrients, fighting disease, and other important functions.