Which vitamin is naturally found only in animal products but can be provided to the body through conversion of the provitamin beta-carotene?
A) Vitamin B6
B) Niacin
C) Vitamin A (retinol)
D) Thiamin
Question 2
One cup of which of the following foods has more vitamin C than one cup of fresh orange juice?
A) Skim milk
B) Watermelon
C) Green peppers
D) Tomato juice