This presentation points out that vitamin D deficiency is more common than previously thought and the present recommended doses are inadequate. Though it should be noted that if a person is deficient, taking 100,000IU once monthly may not be the best way to increase the body’s vitamin D levels compared to taking say 3,000 to 6,000IU daily. Clinical Trials that use the once monthly high dose regime do so because this is the best way to ensure compliance. We should be getting vitamin D on a more regular basis preferably 10-15 minutes of UVB-rich sunshine daily.
The ABCs of Vitamin D
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