| http://www.w3.org/ns/prov#value | - Vitamin A. Few people in the U.S. are outright deficient in vitamin A. The retinol from ??? which comes from animal sources such as eggs, liver, and whole milk ??? is more readily absorbed than bets-carotene, but even strict vegetarians can usually meet their needs by eating five servings a day of produce, including dark green leafy vegetables and orange and yellow fruit.
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