Dietary supplement based on Guanylor Iron Copper. Iron contributes to the normal formation of red blood cells and hemoglobin. Iron helps reduce fatigue. Iron is an essential trace element for the transport and storage of oxygen in the body. Iron is indeed a component of the hemoglobin found in red blood cells that transport oxygen from the lungs to the tissues. The adult human body contains about 4 g of iron. Una unbalanced diet, una vegetarian diet or reduced absorption can lead to an iron imbalance. Furthermore, physiological changes in the life of una women such as pregnancy or menstruation can increase the need for iron.