Also see the best sources of Calcium, which helps the body absorb Vitamin D.
By Dan Shapley
The Benefits of Vitamin D, the Sunlight Nutrient
Are you getting enough Vitamin D? Many people are worried about Vitamin D deficiency, which the Institute of Medicine says has been over-diagnosed in recent years. Unlike other nutrients, Vitamin D isn't really a vitamin at all: It's a hormone, made by your body as you are exposed to sunlight.
Whatever it is, it has an important role in maintaining bone strength (its role in fighting other diseases has not been proven). If you eat a varied diet and get some sun (about 20 minutes a day, unfiltered by sunscreen) then you are probably getting all the Vitamin D you need from these sources. Even if you aren't getting enough Vitamin D from sunlight, though, you probably don't need a vitamin supplement, according to the Institute of Medicine. You need some Vitamin D-rich foods, like the ones we feature here. (About 600 iu of Vitamin D daily.) This list includes the foods with the most Vitamin D, according to the USDA. Enjoy!
Salmon
Tuna
Sole or Flounder
Flatfish like sole and flounder have about one-fourth a day's worth of Vitamin D. (The other white fish, cod, has less than one-tenth.) Look for Pacific flounder, sole or cod at the fish market, because Atlantic stocks are depleted.
Milk
Cereal
Pork
Three little ounces of pork can provide as much as 88 iu of Vitamin D – almost one-seventh of a daily dose. The most can be found in ribs, and the amount of Vitamin D in pork varies greatly by cut and preparation. You'll barely get any Vitamin D from a slice of ham.
Eggs
Mushrooms
Beef Liver
Ricotta Cheese
http://www.thedailygreen.com/healthy-eating/eat-safe/sources-of-vitamin-d-in-foods
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