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.

Question

Quizplus · Accepted Answer

Dark green vegetables such as kale and spinach are good sources of vitamin A because they contain abundant beta-carotene, a precursor of retinol. The body converts beta-carotene into vitamin A, which promotes healthy skin, immune system function, and vision.

Why Are Dark Green Vegetables Such as Kale and Spinach