Which of the following statements are true of vitamin B₃?
1) It is readily absorbed in the gut.
2) It is completely dependent on diet for a direct source.
3) There is abundant storage of B₃ in the body.
4) Urine contains nicotinamide and other metabolites of B₃.
A) 1, 3, 4
B) 2, 3, 4
C) 1, 2
D) 3, 4
Correct Answer:
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