For many folks, like us here in Portland, consistent, year-round sun exposure isn’t possible because we live in areas where vitamin D synthesis can’t occur for four to six months out of the year. Cold temperatures and cloud cover require us to look for vitamin D from dietary sources or supplementation.
Vitamin D has two forms: vitamin D2 and vitamin D3. Vitamin D2 is made in plants. We see this form often added to commercially produced milk. It is important to note, however, that Vitamin D3 is the preferred form of vitamin D. It is made when cholesterol in our skin cells reacts with sunlight.
Read more about Vitamin D3 from Jordan Rubin in his Extraordinary Health newsletter ~ Issue 86.
Friday, March 5, 2010
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