Our Vitamin D supplement is important especially for those that do not live were there is enough sunshine year around. This is a vitamin supplement to help with increasing the adsorption of calcium. The Vitamin D supplement contributes to good bone growth and the integrity of the bone and promotes healthiness in your teeth by strengthening them. Vitamin D helps to regulate the amount of phosphorus in the body as well as assisting is a healthy heart and nervous system. Signs of Vitamin D deficiency are bone softening and muscle twitching or even convulsions. Deficiency in children is known to cause Rickets, that causes bent or bowed legs.