Iron is an essential mineral that is required for growth and development. Your body uses iron to make hemoglobin, a protein in red blood cells that carries oxygen from the lungs to all parts of the body as well as myoglobin, a protein that provides oxygen to muscles. Iron is also needed for the synthesis of certain hormones and DNA. However, iron deficiency is one of the most widespread nutrient deficiencies across the globe.[2,3] Additionally, certain individuals also are more likely to have difficulties getting enough iron.
Iron deficiency may lead to[2,3]: