Here's the health blog that was on the HN front page a few days earlier: http://wholehealthsource.blogspot.com/2008/10/vitamin-d-its-not-just-another-vitamin.ht

Here's the health blog that was on the HN front page a few days earlier: http://wholehealthsource.blogspot.com/2008/10/vitamin-d-its-not-just-another-vitamin.html http://wholehealthsource.blogspot.com/2008/10/vitamin-d-its-... He talks about bit about Vitamin A and Vitamin K2 at the bottom of the post; supplementing both might be something to consider.