Vitamin D really needed in our body is also a powerful anti-cancer.

Studies show that the Vitamin D As well as strengthen the bones, stimulates the defenses and prevents certain tumors, but doctors warn that the sun does not take enough to benefit from it. It is perfectly true that excessive sun exposure is dangerous, is seen as increasing the number of skin tumors, but that same recommendation not to expose both the sun has been counterproductive. Now in sunny countries, as is the case of Spain, are starting to detect deficiencies of vitamin D.

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Osteoporosis experts sounded the alarm in a deficit of vitamin D. It is not easy to raise levels of vitamins with food, since only 15% is obtained in this way. Have insufficient levels of vitamin D increases the risk of infection. The classic disease caused by a lack of this vitamin is accused rickets virtually eradicated in wealthy countries.

Similarly, excessive consumption can have serious consequences. This vitamin and most of its 23 known metabolites are structurally related to the cholesterol Indeed, when it comes to body tissues is stored in the fat part. In his defense I must say that vitamin D has anti-inflammatory properties , Used to prevent cardiovascular problems and cancers, as well as pathological processes mediated by inflammation.

Vitamin D in our system

As we acquire.

The term vitamin D refers to two very similar molecules: the D3, which is manufactured in the skin, and D2, we eat in the diet. By action of several enzymes, both are converted to 1.25 D, the active form of the vitamin.

1. Solar radiation: The impact on the skin, ultraviolet rays stimulate skin cells called keratinocytes.
2. Synthesis in the skin: Break keratinocytes the cholesterol molecules and produce vitamin D3, which passes into the bloodstream.
3. Feeding: Certain foods are rich in vitamin D3 and vitamin D2. The d2 is almost identical to the D3, and after being ingested, also reaches the bloodstream.
4. Change in the liver: When you get liver, vitamins D2 and D3 are altered by an enzyme and lead to another call 25D, which in turn passed back to the blood.
5. Transformation in the kidneys: Most of the 25D reaches the kidneys and that another enzyme becomes 1.25 and 1.25 D2 D3, which are usable forms for the body.

Vitamin D through diet

Major sources.

¤ Food may also provide vitamin D2 and vitamin D2 D3.La found in plant foods such as plants synthesize it from the sun and a plant sterol called ergosterol.
¤ Vitamin D3 occurs in foods of animal origin, which may also contain D2, from the intake of vegetables.

Some of these foods are: cod liver oil, oily fish, fresh or dried mushrooms, egg yolk juice or vitamins.

Vitamin D in the skin

It also affects the tissues.

Vitamin D in 1.25 D form, circulates throughout our body. A healthy person has between 30 and 45 nanograms per milligram of blood serum. Scientists have found that especially present in the following tissues:

¤ Bone tissue
¤ Brain and neural tissue
¤ Lungs
¤ Immune cells
¤ Kidneys
¤ Pancreas
¤ Paretidoidal Gland
¤ Prostate
¤ Skin