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New review: Does vitamin D supplementation help cancer patients?

Posted on: December 5, 2013   by  Rebecca Oshiro


In a recent review article published in Nutrition Reviews, a group of Australian researchers analyzed the vitamin D levels of cancer patients to determine how many were deficient in the vitamin and how this was affecting their health.

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8 Responses to New review: Does vitamin D supplementation help cancer patients?

  1. [email protected]

    Any comments about the a new study about Vitamin D?


    The first question I would have is what dosage of Vitamin D were they giving the people in the study group? Just the RDA or something close to it?

  2. Rebecca Oshiro

    The majority of the 37 studies analyzed in this review were observational and only looked at blood levels of vitamin D and how it correlated with various health outcomes. Of the trials that administered vitamin D, anywhere from 400 IU to to 14,000 IU per day was administered. Some of those trials administered D daily, others weekly.

  3. Rita and Misty

    Everyone needs to have a healthy 25(OH)D level.

    But, what is a healthy 25(OH)D level?

    Does a higher level prevent cancer and/or autoimmune disease?
    What level would this be?

    Could a higher level treat cancer and/or autoimmune disease?
    What level would this be?

    How can consensus be reached regarding definition of healthy 25(OH)D level?

    Is it 20 ng/ml?

    Is it 30 ng/ml–100 ng/ml?

    Is it 40 ng/ml–60 ng/ml?

    Is it 50 ng/ml–80 ng/ml?

    Is it possible that different health conditions require higher (or lower) levels?

    Is it possible that individuals are unique in their 25(OH)D requirements?

    (so many questions, so little time–and so little money)


  4. [email protected]

    Here’s a link to the abstract of the article that is discussed above (study casts doubt):


    Of the studies that the authors reviewed, I wonder what the longer term and higher Vitamin D dosage studies would show? Given the preponderance of evidence in other studies, I am puzzled by their assertion that “High 25(OH)D concentrations were not associated with a lower risk of cancer, except colorectal cancer.”

  5. Rita and Misty

    “All women over the age of 20 should take a daily dose of Vitamin D to reduce their chances of developing breast cancer, an expert claims.”

    Read more: http://www.dailymail.co.uk/health/article-2516241/Top-surgeon-calls-ALL-women-given-Vitamin-D-cut-breast-cancer–ballet-dancers-reveal-use-pills-strong.html#ixzz2mkScmH62
    Follow us: @MailOnline on Twitter | DailyMail on Facebook


    To me it seems that we live from study to study; and one study seems to contradict the next study. It’s very frustrating.

    I would think that anything that helps in lowering inflammation would also be very useful in lowering overall cancer risk.

    My opinion only…uncertain if it right or wrong, etc.


  6. Jeff Nicklas

    @westexas, we’ve now published a blog on that Lancet study: http://www.vitamindcouncil.org/blog/a-look-at-the-recent-lancet-review-study/

  7. Chris

    Mayo Clinic, Vitamin D and a form of leukemia:


  8. [email protected]

    There are 3 areas where Vitamin D may be helpful with cancer:

    * Prevention
    * Treatment
    * Reduce side effects

    Read more at: http://www.vitamindcouncil.org & http://www.grassrootshealth.net & http://www.vitamindwiki.com about how Vitamin D can help reduce the risk of cancer. Diet and lifestyle also play a big part

    If you are diagnosed with cancer, read as much as you can at these websites within the first 7 days to educate yourself.

    You may believe that the doctors are “gods” who are going to save your life, but you need to ask 2 key questions at every stage:

    1. What is the risk of this treatment and what success rate have you had ?
    2. “I understand that most treatment is designed to “kill” the cancer.
    What advice can you give me about helping my body to heal itself ?”

    Ask your doctor if you may take large amounts of Vitamin D and listen carefully to their reply

    Some cancer treatment can be enhanced by Vitamin D, so discuss this with your doctor

    Most doctors do not understand the effect of Nutrition & Exercise, so find an additional advisor like a Nutritionist, Dietitian or even a Chiropractor who does

    Reduce Side Effects
    Some cancer treatment, especially Aromatase Inhibitors given for 5 years after breast cancer surgery, cause horrendous aches and pains in joints. There are studies showing that high doses of Vitamin D can help reduce the pain

    At all stages you can read more at:

    http://www.vitamindcouncil.org Search by illness
    http://www.grassrootshealth.net Download the “Call-To-Action”
    http://www.vitamindwiki.com Read and search in 50+ languages
    http://www.vitamindassociation.org Watch videos from 4 conferences
    http://www.vitaminduk.com How much do I need

    Hope that this helps


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