The vitamin D recommended dosage was discovered in 1997. The US Food and Nutrition Board, as well as the Department of Agriculture revised the level since based on some research that vitamin D may help to prevent cancer and other diseases. Currently, many people are getting their source of vitamin D from fortified foods like milk and serials. However, the primary source of vitamin D is sunlight because it is safe and with no risk of toxicity.
In the food sources of vitamin d, the Cod liver and the skin of fish such as salmon, mackerel and tuna is the contains high level of vitamin D. According to research, one tablespoon of cod liver is contains 340 percent of the daily vitamin D recommended dosage, on the other hand, one serving of cooked salmon contains 90 percent of vitamin D recommended dosage. Wild mushrooms also contain 100 percent of the daily requirements. Mostly, foods do not naturally contain Vitamin D however; it is one of the safest. On the other hand, some foods are just supplemented with vitamin D such as milk, natural cereals, and other dairy products. For people who are at risk of vitamin D deficiency, it is advised to take supplementation.
Vit D Supplement
About the vitamin D recommended dosage supplementation, it comes in two forms; vitamin D2 and D3. Both of them are effective in terms of treating rickets, however, D3 is much more efficiently adapted by the body. According to health professionals, children ages up to 13 are recommended to take 400 IU of vitamin D daily. But, recent recommendations indicate that adult 50 and younger should take 200 IU daily, and 50 to 70 years should take 400 IU, while older than 71 years should take 600 IU of vitamin D recommended dosage.
According to some research, therapeutic dosage of vitamin D is very necessary in treating disease of severe insufficiency and it will range up to 1000 IU to 4000 IU per day.
There are several groups that mostly affected with vitamin D deficiency, these group includes; breast feed infants, people who are obese, people with dark skin, elderly people, people with fat malabsorption and to those people with limited sun exposure. However, if exposing to sunlight is just by the window, it is still ineffective since it blocks the vitamin D. And it is not true that prolonged exposure to sunlight causes toxicity. Reminder, before taking up vitamin supplements, consulting to a doctor is important in order to avoid toxicity or insufficiency.
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