VITAMIN D UPDATE: Vitamin D deficiency common, even in Sunshine State.

Related: 5 Important Things You Probably Didn’t Know About Vitamin D. Actually, InstaPundit readers probably did know these things.

I take Vitamin D every day. My supplement routine is still pretty much as described in this post, except that I stopped taking the fish oil because of research suggesting it might increase prostate cancer risk, and I’ve started taking Niagen.