Iron saccharate is primarily used in the medical field for the treatment of iron deficiency anemia. It is administered intravenously to patients who cannot tolerate oral iron supplements or who require rapid iron replenishment. This compound is particularly effective in cases where there is a need for quick iron restoration, such as in chronic kidney disease patients on dialysis, as it helps in the production of hemoglobin and improves overall blood health. Additionally, it is used in situations where blood loss has led to significant iron depletion, ensuring that patients recover their iron levels efficiently. The intravenous route allows for direct absorption into the bloodstream, making it a reliable option for those with absorption issues or severe anemia.