what is vitamin D? What is it for? And why is it good for us?

Answer 1

Vitamin D is eccential to us humans. It comes from milk, and the sunshine. We need to function properly. Could you imagine if you never got any sunshine at all....you'd start to feel pretty icky after a while!

Answer 2

Vitamin D plays an important role in the maintenance of an intact and strong skeleton. Its primary task seems today to be to regulate the amount of calcium and phosphorus in the blood by ensuring correct intake from intestines and secretion. However, other related tasks are still under investigation

Several studies show that vitamin D also regulates the growth of skin cells. Psoriasis gives shell-like skin as a result of uncontrolled cell growth. A synthetic vitamin D analogue called calcipotriene is used in the treatment of this disease.[2]

The human body produces its own vitamin D in the skin - this is done by activating some chemicals in the body. This process is dependent on ultraviolet radiation from sunlight. However, vitamin D should not be excluded from the diet, especially for people who do not receive sufficient exposure to UVB sunlight.

Answer 3

Vitamin D (also known as calciferol) is a hormone precursor that contributes to the maintenance of normal levels of calcium and phosphorus in the blood. Vitamin D is not a true vitamin since human skin can create vitamin D in some circumstance; it may be better described as a conditional vitamin

http://en.wikipedia.org/wiki/Vitamin_d

Answer 4

Is a fat-soluble vitamin which dissolves in fat. Vitamin D provides the absorption of two minerals Calcium & Phosphorus. It helps bones and teeth to be stronger and healthier.

Answer 5

Go to this website. It pretty mush explains everything you want to know.

Hope it helps!

http://ods.od.nih.gov/factsheets/vitamind.asp#h7