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Egg yolks contain seven vitamins: B6, folate, B-12, A, D, E and K. Of those, vitamins A, D, E and K are found only in egg yolks and not in egg whites. Egg yolks are one of only a handful of foods in which vitamin D is naturally found.

Egg yolks also have minerals: calcium, magnesium, iron, potassium, sodium and selenium. Although both the egg white and egg yolk contain these minerals, the yolk has larger amounts of most. For example, 90 percent of an egg's calcium is in its yolk; 93 percent of its iron content is in the yolk, with just 7 percent in the white.

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11y ago

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