In order to make the hemoglobin found in red blood cells, the body needs iron. In order to build strong teeth and bones, the body needs calcium. Calcium is also crucial for the proper functioning of the kidneys, muscles and nerves. Without adequate levels of Iodine, the thyroid gland cannot perform its most important task which is to produce energy.
Manganese, selenium and zinc are antioxidants and some of their responsibilities include helping to heal wounds, helping the skeletal system develop properly, and protecting cell membranes. Chromium helps keep arteries clear.