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A comment on Nutrition: Vitamins on trial . Parent comment

Re:Nutrition: Vitamins on trial by fizgig on Thursday July 03, 2014 @09:11AM (#7982814)
Here's a nifty calculator that tells you vitamin D values for exposure times taking season and latitude into account.

http://nadir.nilu.no/~olaeng/fastrt/VitD-ez_quartMED.html

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