VITAMIN - D

1. Also known as Calciferol / Anti ricket vitamin / sun shine vitamin.
2. It is necessary for bones & teeth.
3. It is synthesized in presence of UV rays of sunlight in the skin.
4. It regulates absorption of calcium & phosphorus.
5. Cod liver oil is the best source of vitamin D.
6. Other sources are spleen, egg & milk.
7. Deficiency of vitamin D causes rickets in children (bending & swelling of joint leading to bow legs, pigeon chest)
8. Deficiency of vitamin D causes ostiomalesia (softening of bone) in adults.