Guest guest Posted January 23, 2011 Report Share Posted January 23, 2011 The test you want to ask for to measure VitD is called 25(OH)D serum 25-OH vitamin D This is a combines figure for VitD2 and VitD3 This figure reflects how much VitD is stored in the body... Optimal vitamin D blood levels are 50 ng/mL (125 nmol/L)‚ according to The Vitamin D Council. Lots more in the Merck manual http://www.merckmanuals.com/professional/sec01/ch004/ch004k.html#BABBBEAE VitD Council http://www.vitamindcouncil.org/ ~chris Quote Link to comment Share on other sites More sharing options...
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