D-Vitum 400 IU aerosol is a food supplement for newborns, infants and children, containing vitamin D in a dose of 400 IU per serving. A 6 ml package is enough for about 100 daily servings of the product. A convenient pump makes it easy to administer the vitamin to children and measure the right amount. Vitamin D is necessary for proper bone growth and development in children. It also helps maintain healthy bones and teeth and proper muscle function. It helps in the proper utilization of calcium and phosphorus and in maintaining the proper level of calcium in the blood. Vitamin D also plays a role in the proper functioning of the immune system.