Vitamin D is commonly found in fish, eggs, fortified milk, cod liver oil and in supplements.

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Small amounts of vitamin D can be consumed through food, such as fish, cod liver oil, and fortified milk and juice.

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By contrast, the government recommends a mere 200 to 600 IU a day, depending on age--what you get in two to six cups of fortified milk.

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The chimps' diet consists of bananas, potato leaves, sweet potatoes, plantains, coconuts, palm nuts and other fruits and vegetables, in addition to rice balls fortified with powdered milk.

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Vitamin D is a fat-soluble vitamin that occurs naturally in a limited number of foods, so fortified foods including milk, margarines and breakfast cereals and dietary supplements are the major source for most Americans.

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If you hate fish, take a fish oil capsule or try out some of the new foods fortified with DHA including soy milk, yogurt and nutrition bars.

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In this country, milk is vitamin D-fortified, so this is one guaranteed way to get some D in your diet.

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Since the 1930s, most milk in the U.S. has been fortified with D to prevent rickets, a bone-softening disease.

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Sally and Clare agree that up to three servings per day is safe, but they emphasize that soy should come from whole foods like soy milk, edamame and tofu, and that supplements like smoothies, bars and soy fortified cereals should be limited.

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