Toggle Health Problems and D

Vitamin D from the sun 3 to 12 months of the year in the US

simple graphic

UV Index must be greater than 3 ( above the green) to generate any vitamin D

People in Anchorage: vitamin D for 3 months of the year

UV index Alaska 2009

People in Minnesota: vitamin D for 6 months of the year


People in Florida: vitamin D for 12 months of the year

from http://www.cpc.ncep.noaa.gov/products/stratosphere/uv_index/uv_annual.shtml

CLICK HERE for other US UV index

You only get enough vitamin D with 10 minutes in the sun noontime in Florida from April thru Sept

How Much D includes equations

National and Experts Recommendations of How Much vitamin D you should have

CLICK HERE for VitaminDWiki Home Page for Overviews and lots more details

Map of Vitamin D in Jan

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