Multiple Choice
Why are dark green vegetables such as kale and spinach good sources of vitamin A?
A) They contain the most abundant preformed vitamin A.
B) They are fortified with vitamin A.
C) They contain vitamin C, which boosts the absorption of vitamin A.
D) They contain abundant beta-carotene, a precursor of retinol.
Correct Answer:
Verified
Correct Answer:
Verified
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