This vitamin few stand out from the total pool of vitamins. First, it has unique action in the human body, secondly, a sufficient quantity is not so easy to obtain from natural food, and thirdly, in almost every diet has its deficit. In the meantime, he not only preserves the health of bones, but also reduces the risk of developing certain types of cancer, prevents hypertension, multiple sclerosis and even schizophrenia. Meta-analysis of eighteen serious research in 2007 showed that vitamin D helps people live longer. Low levels of vitamin D in the diet is linked to increased blood pressure and high reduces the risk of bowel cancer, prostate, breast and lung.
In 2007, The European Journal of Cancer compared the incidence of cancer in the southern, solar and Nordic countries. A study of more than 4 million people showed that the production of vitamin D in the skin that occurs under the influence of sunlight, can reduce the risk of developing certain types of cancer, especially cancer of stomach, liver, gallbladder, pancreas, lung, breast, prostate, bladder and kidney But only for people living in sunny regions. Together with calcium vitamin D plays an important role in strengthening bones. Yet he supports muscle strength. As the study, elderly people taking 800 IU of vitamin D per day, the risk of falling and injuries to 72% less than the rest.
Recommended doses of vitamin D depends on age: from 19 to 50 years - 200 IU a day, from 51 to 70 years - 400 IU, and more than 71 years - 600 IU. However, some experts recommend to consume at least 1000 IU of vitamin D per day. You can get vitamin D from the marine fish of food additives, as well as the more he should be in the sun.