Organic Vitamin D2 400IUDescription Vitamin D contributes to the maintenance of normal bones, teeth, muscle function and immune function. Vitamin D contributes to the normal absorption utilisation of calcium and phosphorus. The classic vitamin D deficiency disease is rickets. Yet as fear of sun exposure has grown and lifestyles have become more sedentary, exposure to the sun has dropped dramatically and vitamin D deficiency and the incidence of rickets has surged. The skin