Click to expand Tap to zoom Natural Factors Iron Chelate Save Liquid error (product-badge line 32): Computation results in '-Infinity'% $10.79 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Iron deficiency is the most common cause of anemia. The symptoms of anemia, such as fatigue, reflect a lack of oxygen being delivered to tissues.