The latest and greatest: As of today, we are being advised that we do not need vitamin D supplements. We, in fact, get enough from our wonderful Sun.
This cartoon appears in my book. Once again, point made!
Here's another interesting article by Marion Nestle. Wise advise almost two years ago.
In this article, Dr. David Katz responds and sheds some light on the vitamin D hoopla.
I also recommend reading: Lies, Damned Lies, and Medical Science (not about vitamin D).
*My multivitamin contains 1,600 IUs of vitamin D and since I love nature, I am outside frequently. Thus, I get plenty of vitamin D.