Used as a dietary supplement to treat or prevent iron deficiency and anemia. Commonly found in oral iron supplements and multivitamin formulations due to its relatively high bioavailability and mild gastrointestinal side effects compared to other iron salts. Also used in food fortification to enrich cereals, beverages, and infant formulas with iron. In pharmaceuticals, it serves as an active ingredient in tablets, capsules, and liquid preparations. Its low toxicity and good solubility make it suitable for use in pediatric and geriatric formulations. Additionally, employed in some diagnostic procedures and laboratory reagents involving iron metabolism studies.