Vitamin D is required for normal growth of teeth and bones. It's produced in general by ultraviolet irradiation of sterols found in milk, fish, and eggs. That's why milk is good for your bones and your teeth.
Yes, Sunlight is an important source of vitamin D. But it is not the only one.
Protein and vitamin D.
Vitamin D is essential to our bones because it provides them with calcium. Bones are made stronger with calcium. Calcium is obtained through vitamin D to the bones, and that is why vitamin D is essential.
Vitamin D is the important vitamin that is formed in the skin when it is exposed to sunlight. UVB rays from the sun convert a cholesterol derivative in the skin into vitamin D3, which is then converted into its active form in the liver and kidneys.
important for development of bones
Calcium
There are several benefits of Vitamin D. The main and most important of which, is that Vitamin D helps the body absorb calcium, which keeps your bones and teeth strong and healthy
Ultraviolet A (long wavelength) initiates production of vitamin D and melanin (tanning). Ultraviolet B (short wavelength) damages the skin causing sunburns and in some cases cancers.
calcium
Vitamin D is produced by ultraviolet radiation on your skin. The UV light converts a precursor molecule to vitamin D.
Vitamin D is important for your health. iIt is found in milk, and helps strengthen your bones!
Calcium and Vitamin D are essential for having healthy, strong bones. It is important to have enough Calcium and Vitamin D in a person's diet. Calcium also helps a person's blood to clot.