![Vitamin D Solar Power Performance](http://theaposition.com/rittergolf/wp-content/uploads/sites/25/2012/10/Screen-shot-2011-08-05-at-10.12.59-AM-1024x663.png)
Vitamin D: (Solar) Power Performance Vitamin D is one of the most powerful, yet underrated nutrients in the world. With many health experts following outdated studies and misinformation, it’s no wonder that over 80% of Americans suffer from D deficiency. Although we refer to the big D as a vitamin, Read more…