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Originally Posted by dogodlvr
It dosn't say on the bottle what kind of Vit D.. just Vit D 50,000 units, I don't have the papers that came with it. I won't be refilling for 10 months.
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If you got this on RX from a pharmacy, then it is D2. There is no RX D3 in USA. D2 is inferior, but doctors still give it, because they don't know better.
http://www.vitamindcouncil.org/
http://www.vitamindcouncil.org/vitam...macology.shtml
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Another substance that is often called vitamin D is ergocalciferol (also referred to as vitamin D2 or Calciferol). It is derived by radiating fungus. It is not the naturally occurring vitamin D for humans. Fungus contains fat-like substances called sterols which are commercially irradiated to form ergocalciferol. As it is derived from plants, and not animals, ergocalciferol is considered Kosher.
Ergocalciferol is available to U.S. doctors in prescription strength and is sometimes used in multivitamin preparations—usually at 400 IU per pill. Your doctor can write a prescription for 50,000 units of ergocalciferol (brand names Drisdol and Calciferol).
Ergocalciferol does not exist in detectable quantities in the human body, only in tiny quantities in plants and as such is "unnatural" when in the human body. You can not get any appreciable ergocalciferol by eating vegetables. Ergocalciferol is metabolized to various substances in the body, some of which are not normally present in humans, although these metabolites have never been shown to be dangerous. There is also some evidence that ergocalciferol is more toxic in overdose, which is curious as it is only about half as potent as the naturally occurring vitamin D, cholecalciferol. Your body also metabolizes ergocalciferol more quickly than cholecalciferol.
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The only thing doctors appear good for today regarding Vit D is the testing. But often they do not interpret it correctly or prescribe the correct form of the D.
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Weezie looking at petunias 8.25.2017
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