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Vitamin D Foods
by Christine Lehman
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Overview
Vitamin D is what helps the body use calcium. It is unique in that it is found in few foods naturally but is found in many foods due to fortification. Vitamin D is also effective when taken in a supplement form. Our bodies can also produce vitamin D when exposed to the sunlight, and is a significant source of the vitamin. However, getting enough sunlight exposure may be difficult in northern regions of the world during wintertime because it is colder and people spend more time indoors. When there are fewer hours of daylight, knowing which foods contain vitamin D is important.
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Fortification
Although milk contains vitamin D, it does not occur there naturally; it must be fortified. Foods made with vitamin D fortified ingredients will contain vitamin D, such as puddings, yogurts and soy products.
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Natural Sources
Wild salmon has the highest vitamin D content of any fish; armed salmon contains 75 percent less vitamin D than wild salmon. Other oily fish are good sources of vitamin D as well.
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Fun Fact
Eggs contain vitamin D, but only about 6 percent of the RDA and are preferred by many over liver, which contains only about 4 percent of the RDA.
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Supplements
Vitamin D supplements are a good idea, but make sure to read the label to see whether they are made with cholecalciferol, which is the recommended ingredient.
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Recommended Daily Allowances
The recommended daily allowance of Vitamin D in a diet is 200 IU until about the age of 50, then it doubles and triples after age 70.