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Thread: High-dose vitamin D prevents fractures in elderly

  1. #1
    Administrator Islander's Avatar
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    Default High-dose vitamin D prevents fractures in elderly

    By Gene Emery
    Thu Jul 5, 2012

    NEW YORK (Reuters Health) - A new analysis of nearly a dozen studies testing vitamin D in older individuals has concluded that it takes a daily dose of at least 800 international units (IU) to consistently prevent broken bones.
    A dose that high was found to reduce the risk of hip fracture by 30 percent and other breaks by 14 percent. Lower doses didn't have any effect.
    The report, published in the New England Journal of Medicine, also suggests that too much calcium -- perhaps more than 1,000 milligrams (mg) per day -- can weaken the benefit.

    Read more: http://www.reuters.com/article/2012/...ame=healthNews
    Last edited by Islander; 07-07-12 at 10:00 AM.
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    Veteran Member mellowsong's Avatar
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    Default Re: High-dose vitamin D prevents fractures in elderly

    Great news except for calling 800 IU "high dose". That's insanity!

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    Administrator Islander's Avatar
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    Default Re: High-dose vitamin D prevents fractures in elderly

    And discouraging excess calcium was also good. Wish they had mentioned the other vitamins & minerals we know are essential for overall bone health, since they work in concert: magnesium, potassium, vitamin K2...and folate, selenium, silica, strontium.
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    Veteran Member Mr. Wizard's Avatar
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    Default Re: High-dose vitamin D prevents fractures in elderly

    The reason 1,000 mg of calcium weakens the benefit of 800 IUs of vitamin D3 is because it's disproportionate. I read a study awhile ago that concluded a daily "supplement" of 1,000 mg of calcium required a minimum of 2,000 IUs of D3. In other words, the study seemed to suggest that vitamin D3 "supplementation" should be at least twice as much as the amount of calcium supplemented. (I'll try to locate and post the study results) I would add that one needs to also attempt to account for the calcium and vitamin D3 received in their diet, as well as the amount supplemented. @Islander: I agree 100% with your comment about the other vitamins and minerals needed by the body to adequately metabolize D3 and calcium for overall bone health. I would add boron to the list, too!! Boron has been shown to help decrease urinary loss of calcium and magnesium.

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    Veteran Member highlander's Avatar
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    Default Re: High-dose vitamin D prevents fractures in elderly

    Quote Originally Posted by mellowsong View Post
    Great news except for calling 800 IU "high dose". That's insanity!
    I clicked on this story just to see their definition of high dose.

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