Which of the Following Is a Feature of Vitamin D

Which of the following is a feature of vitamin D?

A) The bioavailability of vitamin D from soy milk is low
B) Lifeguards on southern beaches have increased risk for vitamin D toxicity
C) Most adults living in the southern United States need small amounts of dietary vitamin D
D) The average consumption in the United States does not meet the recommended intake
E) Taking vitamin D on an empty stomach improves absorption by as much as 50%.