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Thread: How many IU of vitamin D a day ?

  1. #1
    Beginner Brother
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    How many IU of vitamin D a day ?

    What is the ideal amount of IU for vitamin D consumption?

  2. #2
    Moderator Mobster's Avatar
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    Quote Originally Posted by handups66 View Post
    What is the ideal amount of IU for vitamin D consumption?
    It'll say on the bottle

    Multiple record holder. British and European Grip Champion. Magazine writer. Strength Training Coach. Former supplement company owner.

  3. #3
    Official Representative (VIP) Fella Finn's Avatar
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    Quote Originally Posted by Mobster View Post
    It'll say on the bottle
    I'm gonna disagree here a little bit. I wouldn't just blindly trust what this or that bottle says.
    I think those recommendations are very often super low and IMO probably inadequate for someone who is physically active.
    The research I've read regarding this topic also seems to strongly support that idea.

    Update:

    Check out this research for instance:

    In November of 2010, the Institute of Medicine (IOM) released new recommendations for dietary intake of vitamin D, 400–600 IU/day for children & adults (0–70 years), 800 IU/day for older adults (>70 years) [29]. These values are only slightly higher than past recommendations [29]. Many experts argue that while IOM intake recommendations may adequately prevent clinical vitamin D deficiency, they are significantly lower than the level necessary to achieve optimal vitamin D status [5,6,10,26]. The Recommended Dietary Allowance (RDA) for Vitamin D, according to the National Institute of Medicine (IOM) [29] is compared to the Endocrine Society’s [30] recommended intake in Table 1. Many believe that the RDA is grossly underestimated [5,6,10,26], including the Endocrine Society, who released vitamin intake guidelines that are significantly higher [30]. The Endocrine Society recommends 400–1000 IU/day for infants, 600–1000 IU/day in children (1–18 years) and 1500–2000 IU/day in adults, in addition to sensible sun exposure [30].

    LINK
    Last edited by Fella Finn; 01-11-2019 at 10:24 AM.

  4. #4
    Head Moderator stevesmi's Avatar
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    it depends on where you live.

    fellafinn lives in a high latitude so he would need to supplement
    someone who lives in the caribbean shouldn't unless they are locked in a dungeon

    also the ironic thing is we know that just taking a supplement you are deficient in doesn't always work. so in those cases i recommend finding a place that has an infrared sauna
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  5. #5
    Moderator Mobster's Avatar
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    The one a day I'm using now (I'll be restocking on my N2BM.com product next month) states 'D3 5ug = 100% RDA'. That'll be a EU or UK gov level suggestion.

    Multiple record holder. British and European Grip Champion. Magazine writer. Strength Training Coach. Former supplement company owner.

  6. #6
    Moderator and Podcast Host muskate's Avatar
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    Most people are deficient in vitamin D. Everyone should be supplementing with 2000-3000iu per day
    Trevor Kouritzin
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  7. #7
    Buff Brother Nismo99's Avatar
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    Lot of promising scientific studies and research on the benefits of high dose Vitamin D supplementation. In particular in the realm of heart health. I shoot for 10000 iu's a day personally.

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