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My wife and I are both health practitioners. I have been taking 5000 IU per day for 3 years, feel great at age 74. She says I'm taking too much by far, says I should be taking no more than 600 IU. Am I OK on dosage or is she correct? This is a major topic over dinner and I've always followed D Council information,

Asked by  bahmi on February 26, 2018

  •  bahmi on

    See title

    Answered by  bahmi on
  •  IAW on

    You are a very wise man!
    Vitamin D is not only for bone health, it “regulates” genes.
    More important than how much you take, is what “level” does it give you. At levels of 40ng/ml and below, your risk for cancer and autoimmune disease rises dramatically. Some cancers as much as 60%.
    When humans go out in the sun they can make 15-20,000iu in about 15 minutes if they are light skinned.
    I give my 40lb dog 2000iu a day.
    Keep up the good work!

    Answered by  IAW on
  •  HannahMC on

    What matters is your blood levels..no matter what the dose to get there is. Someone will need only 600IU per day if they’re also getting plenty of sun. Also..those low doses that claim to give ‘sufficient’ D levels…they may be sufficient to prevent moderate or severe osteomalacia/ rickets…but not enough for optimum health. Also check out this link: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5541280/ ..this may give you some good points to raise at the dinner table 😛

    Answered by  HannahMC on

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