Since 1947 Gentle on Your Stomach Gluten, Wheat & Dairy Free Suitable for Vegetarians Kosher Parve Dietary SupplementIron is an important component of hemoglobin, the protein that carries oxygen from the lungs to all tissues of the body and promotes iron rich blood. Iron promotes normal red blood cell production and supports energy utilization. This formulation provides an advanced, patented form of iron that is gentle on the stomach.