Ultimate Iron Multiple forms of iron for maximum absorption Why take an iron supplement?Because active women lose iron fast:Not only do women of childbearing age lose iron each month, an active, athletic lifestyle burns through the body"s stores of iron even more quickly. An iron supplement, especially readily absorbed heme iron, can help boost energy and red blood cell levels, too.Why use Ultimate Iron?It helps support stamina and energy: Ultimate Iron replenishes iron for vital energy and stamina. Its synergistic blend helps promote healthy red blood cells. It features liquid liver fractions, a rich source of heme iron:Heme iron is the most easily absorbable form of iron - up to 33% more absorbable than non-heme iron.