On call: Vitamin D2 or D3?

Published: February, 2010

Q. After reading your article on multivitamins, I've decided to switch from my old multivitamin to plain vitamin D. But I'm confused by the various types of vitamin D. Which kind should I take?

A. You are wise to take vitamin D, but even wise men are likely to be confused by the complexities of vitamin D.

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