The fact that one microgram of retinol and 12 micrograms of dietary beta-carotene are both equal to one retinol activity equivalent indicates that:
A)retinol has greater activity than beta-carotene.
B)beta-carotene is not a significant dietary source of vitamin A.
C)toxicity is more likely to occur with beta-carotene than retinol.
D)beta-carotene is absorbed and converted less efficiently than retinoids.
E)most individuals would benefit from retinol supplements.

Question

Quizplus · Accepted Answer

Beta-carotene is absorbed and converted less efficiently than retinoids.

The Fact That One Microgram of Retinol and 12 Micrograms