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

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He turned back and said something to the two men who were on the other side of the fish, hacking away at the connective tissue around its liver.

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Few foods contain it naturally -- mainly fatty fish like salmon, mackerel and tuna, as well as liver and egg yolks.

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