Why does vitamin A status depend on the person’s protein status?

a. All vitamin A comes from protein-rich foods.
b. Dietary protein ensures synthesis of the vitamin’s GI tract transporter.
c. Adequate protein intake reduces the risk for infection from bacteria that degrade the vitamin.
d. Retinol-binding protein serves as the vitamin’s transport carrier inside the body.
e. Protein frees vitamin A from its lipid bonds.


Answer: D

Nutritional Science

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Fill in the blank(s) with the appropriate word(s).

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