Bio-D Max Vitamin D3 200 IU/1Drop Oral Drops is generally used as a vitamin D supplement. This product can be used safely since birth. Vitamin D reduces the risk of cancer and also helps against rickets in children. It helps in the development and maintenance of bones and teeth. It also helps in absorption and use of Calcium and Phosphorus. This drops contains adequate amount of vitamin D that is essential for stronger bones. Vitamin D is normally obtained from the diet or produced by the skin from the ultraviolet energy of the sun. However, it is not abundant in food. As more people avoid sun exposure, Vitamin D supplementation becomes even more necessary to ensure that your body receives an adequate supply.