Vmin D vitamin D chewable tablet contains 400IU of Vitamin D in delicious raspberry flavor for the development of bones and teeth. It is formulated especially for kids to support normal growth and enhance immune function. Vitamin D is also known as the sunshine vitamin essential for bone and muscle health. It is a valuable tool in assisting in calcium absorption and formation of stronger bones and teeth in children. Low vitamin D can cause low calcium, which can lead to muscle cramps in children. Very low vitamin D can lead to soft bones, causing rickets in children and a condition called osteomalacia in adolescents and adults. Rickets only occur in growing children, if the child has softer bones from low vitamin D, the bones can bend and cause 'bowlegs' or 'knock knees', as well as other changes. So, intake of Vitamin D is essential for health development of bones and teeth in growing children.