Calcium is involved in the formation of red blood cells and hemoglobin, oxygen transport, the immune system, and cognitive development and function. Read More
Iron (Fe) is a key element in the metabolism of almost all living organisms. In humans, iron is an essential component of hundreds of proteins and enzymes (1, 2).
Iron is often the metal ion incorporated into the 'heme complex'; an essential component of proteins, which mediate redox reactions, and of oxygen carrier proteins such as hemoglobin.
Things to know about Iron