It is a formula that contains superior quality, highly absorbable, well-tolerated iron-aminoquelate that does not produce constipation at recommended levels along with vitamins and herbal extracts that act synergistically to ensure optimal iron utilization by the body. Iron is the most important mineral involved in the production of healthy red blood cells. It helps transport oxygen and vital nutrients to all parts of the body, and can help maintain normal metabolic functions and provide a sense of strength, vigor and vitality. Iron amino acid is gentle on the stomach and does not cause irritation, constipation or diarrhea.