Guest guest Posted November 7, 2009 Report Share Posted November 7, 2009 Francesca,After taking 2,000iu D3 plus ~200iu from my food plus the estimated 1,000iu that I was making from daily limited sunshine in late June 2007, my D3 blood test was still low at 26 ng/ml.I finally tested out at 35 ng/ml in February 2009, with ~6,200iu supplementation from all sources (zero from sunshine in February). I'm now up to ~55,000iu D3 once a week with the goal of reaching at least 50 ng/ml D3 in my blood. Even 2,000iu D3 is a "pharmacological" dose. I recommend getting yourself tested. You might be surprised like me. "My CR is very limited with a BMI of 20, but I'm working on it with CAREFUL attention to "adequate nutrition." I obviousely have a problem with absorption of D3 but haven't had a cold or flu so far this year.Gus. "GUS" Gilbert Quote Link to comment Share on other sites More sharing options...
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