Which of the following is the best source of preformed vitamin A?

Name: Which of the following is the best source of preformed vitamin A?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Liver is the best source of preformed vitamin A because it contains a concentrated amount of retinol, the active form of vitamin A. Plant sources of vitamin A, such as broccoli, provide carotenoids which can be converted to vitamin A in the body but in lesser quantities and with less efficiency than preformed vitamin A found in animal products.

Which of the Following Is the Best Source of Preformed