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.[1] 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]: