Iron is an essential component of many proteins and enzymes in our body. But ha most important and well known role is in transportation of oxygen from the Lungs to the rest of the body. Folic acid and iron pills promotes healthy homocysteine levels and heart heath. In add., folic add may reduce their risk of having a child with birth defects of the brain or spinal cord. It also promotes tissue growth and protein formation. Iron is recommended as part of a daily regimen for women health and prenatal care. It also Helps to growth and development of the body and helps reduce tiredness and fatigue.