Bunto Blood Tonic contains Ferric Ammonium Citrate, Folic Acid, Nicotinamide, Vitamin B1, Vitamin B12, Vitamin B2 and Vitamin B6 as active ingredients.Bunto Blood Tonic works by producing blood cells and platelets in the body; acting on megaloblastic bone marrow to produce a normoblastic marrow; treating vitamin B12 deficiency; metabolizing carbohydrate thus maintains normal growth; maintaining many tissues of the body to prevent vitamin B2 deficiency; producing antibodies and hemoglobin by keeping blood sugar level in normal range; helping tissue in respiration and metabolism of fats, protein thus lowers blood cholesterol by inhibiting the synthesis of LDL.