Guidelines for vitamin D

For vitamin D is the only vitamin D, this is not for food consumption. Conversely, vitamin D, in fact, from the sunlight on the skin. There are many media reports of the danger was too much sun, but it is important to skin exposure to sunlight recommended daily allowance of vitamin D. In real life, a huge amount of time a person wants to spend in the sun receive adequate doses of vitamin D is a very small number, and only a few minutes each day will be sufficient, and there is no adverse impact from the volume Ultra-Violet received.

The most important function of the D, vitamin is to help control the number of calcium absorption from food. Most of the calcium is used to build strong teeth and bones, but it also need to send messages along nerves, and help muscles, such as heart, muscle, contract. It is the D, vitamin, which is to ensure there are always enough calcium in the blood in order to carry out these tasks. Other activities involving the need for vitamin D to the immune system, can believe that, it is a contributing factor in reducing the chance of cancer, especially colon cancer.

Variation of vitamin D is formed under the skin known as vitamin D3, or cholecalciferol. The D Vitamin D is caused when ultraviolet response in the sun for a Class cholesterol, found that the skin, naturally. The vitamin D3 into a more active approach to vitamin D in the liver, so diverted, it is most needed. Some of vitamin D are still in the liver and kidney to help absorb calcium from the blood. For the rest of the D Vitamin D is decentralized to the skeleton, and to help them keep their calcium and intestine to help absorb calcium from food.

Although the majority of the D Vitamin D is formed by the exposure of the skin to sunlight also have some food does not contain certain vitamins naturally. This form of vitamin D called for vitamin D2, or ergocalciferol. This is used in the same way as the other vitamin D is the type used to produce the majority of people's vitamin D supplements.