Vitamin D3 plays a vital role in our body in all age groups of people. Babies need vitamin D for healthy growth and development. It helps them build strong, healthy bones and teeth. For adults, Vitamin D when combined with calcium keeps your bones strong by reducing the risk of fractures as well as to help to prevent bone disorder by helping in the absorption of calcium and phosphorus. It is also important in maintaining immune function. The liquid formulation allows the easy administration of this product for infants to adults by allowing the addition of the Vitamin D dose to food, milk or juice.