Vitamin D in a New Light

Donald W. Miller, Jr., MD / LewRockwell.com
There are thirteen vitamins humans need for growth and development and to maintain good health. The human body cannot make these essential bio-molecules. They must be supplied in the diet or by bacteria in the intestine, except for vitamin D. Skin makes vitamin D when exposed to ultraviolet B (UVB) radiation from the sun. A light-skinned person will synthesize 20,000 IU (international units) of vitamin D in 20 minutes sunbathing on a Caribbean beach. Vitamin D is also unique in another way. It is the only vitamin that is a hormone, a type of steroid hormone known as a secosteroid, with three carbon rings. Full story...

Posted by Editor at September 11, 2007 05:34 AM