A guide to vitamin d

Vitamin d is the only vitamin not obtained from foods that are consumed. Instead, vitamin d was actually obtained by the light of the Sun on the skin. There are a lot of media attention on the dangers of too much sun, but it is essential that the skin is exposed to the rays of the Sun to get the daily recommended vitamin d amount. In reality, the time, that a person must spend in the Sun to receive a sufficient dose of vitamin d is small, and a few minutes a day will be sufficient and not the negative effects of the amount of ultraviolet light received.

The main function of vitamin d is to help control how much calcium is absorbed in foods. The majority of calcium is used to build strong teeth and bones, but it is also necessary for sending messages along nerves and muscles, such as the muscles of the heart, of the aid contract. It is vitamin d which ensures that there is always enough calcium in the blood for the execution of these tasks. Factor of other features that require vitamin d linked to the immune system and is of the opinion that there is also a contributing to reduce the risk of cancer and, in particular, cancer of the colon.

The variant of vitamin d, which is formed under the skin is called cholecalciferol or vitamin D3. Vitamin d is created when ultraviolet in the light of the Sun reacts with a type of cholesterol that is located under the skin naturally. The D3 is converted to a more active form of vitamin d in the liver and are then redirected to where there need more. Some of the vitamin d remains in the liver and kidney to help without the calcium in the blood. The rest of vitamin d is spread to bone retain them their calcium and intestines to facilitate the absorption of calcium from foodstuffs to help.

Although the majority of vitamin d is formed by the exposure of skin to the Sun, there are a number of foods that the vitamin among courses. This form of vitamin d is known as the vitamin D2 or ergocalciferol. This is used in the same way as other vitamins d and type used to create the majority of the vitamin d supplements.