Iron is a necessary component of hemoglobin, the oxygen carrier in the blood, and promotes energy utilization. Iron also supports normal red blood cell production and is important for women’s nutritional health. Nature's Bounty Gentle Iron 28 mg Capsules is Non-GMO. No artificial color, no artificial flavor, no preservatives, no sugar, no starch, no milk, no lactose, no soy, no gluten, no wheat, no yeast, no fish. Sodium free.