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Will vitamin D help prevent uterine fibroids?

Posted on: March 17, 2013   by  John Cannell, MD


Uterine fibroids are non-cancerous tumors that originate from the smooth muscle layer of the uterus. Fibroids are the most common benign tumors in women and are usually found during the middle and later reproductive years. While most fibroids are asymptomatic, they can grow and cause heavy and painful menstruation, painful sexual intercourse, urinary frequency, and urinary urgency.

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5 Responses to Will vitamin D help prevent uterine fibroids?

  1. Rita and Misty

    Dear Readers,

    I can share that it is true (at least for me), that once 25(OH)D level is corrected fibroids will shrink. For me, I started to feel the benefits once my level reached 74 ng/ml.

    (I really am a very healthy person…well, at least now!)


  2. [email protected]

    It’s interesting that Iodine deficiency apparently can cause the same kind of uterine fibroids!
    I can imagine that Vitamin D and Iodine could work wonders together?

    I’m living in Denmark, and here neither of the two, would be seriously considered by a Doctor, it would be regarded as “Alternative treatment”, sad really πŸ™

  3. Rita and Misty


    In addition to 28,000 iu d3 daily, I do take 50 mg of Iodoral daily.

    My guess is that a thyroid imbalance plays a large role in PCOS, uterine fibroids and fibrocystic breast disease. (at one time I had all 3 issues)

    Once the thyroid is running efficiency, then the other glands in the endocrine system will also run smoothly (this is only my guess…I am not a researcher or a physician..but, I sure would like to see research done on this subject.)

    Although the mainstream medical jury is still out regarding the benefits of vitamin d with respect to autoimmune thyroid disease, I tend to think maintaining optimal 25(OH)D levels of 50 ng/ml–80 n/ml will only help your thyroid. I think that Dr. Cannell also would agree.

    After all, studies already indicate the benefit of vitamin d with respect to other autoimmune diseases such as MS and SLE.

    Regarding Iodine…this is a controversial topic, I know. And often I scratch my head wondering if I’m taking too much.

    Currently, I go by how I feel, and how my endocrine system operates. This is the healthiest I’ve been in years.

    Best wishes,
    Rita Celone

  4. TClark

    Thank you all for the info. I’ve been following Dr. Cannels website for over a year and finally am able to join as a member. When first diagnosed my 25(OH)D level was severely low (17) I also have a thyroid disorder and uterine fibroids. I am extremely encouraged by this information as I truly want to avoid surgery. Looking forward to more research.

  5. Rita and Misty


    try your best to keep your 25(OH)D level optimal: 50 ng/ml–80 ng/ml.

    The below links to an article you might find interesting.

    (I empathize with your heath situation…imo, be brave and take doses of d3 large enough to quickly raise you serum level…you only have your health to gain…again, imo)

    reach out to me if you’d like: either via FB, or [email protected], or 203-785-6269 (9-4 ET).

    Be well!


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