Vitamin D is one of those Vitamins which are responsible for the maintenance of teeth, bones and cartilage in children and adults. Deficiency of Vitamin D can cause rickets and malformation in bones and teeth. Adult people with low levels of Vitamin D suffer from osteoporosis, a bone weakening disease.
All Vitamins are important for human body but some are so much precious, without them you will not be able to have to a healthy life and Vitamin D is one among them. The major source of vitamin D is fortified milk; if you take one quarter of fortified milk on daily basis then you can have the exact amount of Vitamin D to your body.