This post was originally written three years ago, July 19, 2009. Since we have been discussing D3 and D2, I thought that would be a good idea to revisit my thoughts at that time.
Well it seems like almost since the start of understanding vitamin D in the 1930’s that vitamin D3, cholecalciferol, is equal to vitamin D2, ergocalciferol. This thought continues on today even by some of the best researchers on vitamin D.
Now before we dive right into this discussion let’s just say that vitamin D3 is better than D2 for humans because of the impact on genes and it is less toxic. In other words, take D3 and not D2 as D3 is better. If your doctor prescribes D2, ask him if it is okay for you to take an equal amount of D3 as it will be more effective to your health. Vitamin D3 is readily…
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