Multivitamin with iron tablets are essential if you want to protect your health. Iron is a nutrient required for the production of hemoglobin, which is responsible for carrying oxygen and nutrients to various parts of the body including the red blood cells. Too much iron in the body can cause disorders in the cardiovascular system and brain, which is why it is very important to take multivitamins with iron tablets so that you do not suffer from anaemia or other problems caused by lack of iron in the body. However, as a person ages, the level of iron in the blood usually decreases because our body cannot produce the nutrient on its own; hence, we need to take supplementary iron in tablet form.