Health Articles : Vitamins and Supplements : Vitamin D
Vitamin D : What is Vitamin D
Vitamin D And CancerTwo characteristics of cancer cells are their lack of separation and their quick growth or production. A lot of malignant tumors have been found to hold vitamin D ..... Vitamin d falls in the category of fat soluble vitamins. It is also a seco-sterol hormone precursor that helps in maintaining the proper levels calcium and phosphorus in the blood of the human. Precisely it will not be correct to describe it as vitamin as it can be manufactured by the human skin under the exposure of the ultra violet radiations of the sun. Medically it also referred as a conditional vitamin and calciferol. Vitamin d exists in more than one form. Primarily it can be categorized into vitamin d1 which is molecular compound of ergocalciferol and luministerol, vitamin d2 composed of ergocalciferol and calciferol, vitamin d3 composed of cholecalciferol, vitamin d4 of dihydroergocalciferol and finally the vitamin d5 composed of sitocalciferol. Of all the sources of vitamin d that are provided by nature sunlight is considered to be the most significant one.
Vitamin d is stored in different parts of the body. Those organs that act as the main reserves of storage include the bones, spleen, brain and the liver. Another amazing fact about vitamin d is that unlike any other nutrient it can be stored within the body during the summers and can be utilized in the winter month when the exposure of the sun is generally reduced to a great extent. Under the right conditions the human skin can produces quantities up to 20,000 IU and that too without any apparent toxicity in just about a few minutes exposure to the ultra violet radiations of the sun. How ever over exposure to sunlight may also destroy the vitamin d content of the body and it is an absolute myth that prolonged exposure to sunlight causes toxicity as the levels are self regulating within the body.
One of the most prominent sources of vitamin d is natural sunshine. The ultra violet rays present in the sunrays triggers the synthesis of vitamin in the skin under favorable conditions. Besides that there are some food sources that contain sufficient amounts of the same. One such food source is fortified milk. Other than this, dark green vegetables, eggs, fish liver oils and fishes such as tuna and salmon and butter are found to contain appreciable amounts of the vitamin in them.
Vitamin D And SkinAfter conducting various research and experiments with vitamin d, it found that skin has also got the inherent capacity of producing vitamin d. As vitamin d is an .....
Lack Of Vitamin DVitamin D is a fat soluble that is produced by plants, is consumed in the diet. Vitamin D can .....
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