Do PCOS Women Have Low Vitamin D Levels?

Natural Health Solutions for PCOS

Vitamin D, the “sunshine vitamin”, may play a very important role in dealing with PCOS and improving your overall health.

Optimal vitamin D levels are important for:

  • Improved fertility
  • Controlling weight
  • Liver health
  • Reducing insulin resistance and avoiding pancreas exhaustion
  • Prevention of bone loss and osteoporosis
  • Positive mood and cognitive performance
  • Breast health
  • Gastrointestinal tract health
  • Nervous system health
  • And more!

Vitamin D deficiency appears to occur frequently in women with PCOS, and may be a contributing factor to some of the biochemical abnormalities seen in this condition.

In a study of 13 women with PCOS, five were found to have obvious vitamin D deficiency and three others had borderline-low vitamin D status.(1) All 13 women were treated with vitamin D2 at a dose of 50,000 IU once or twice a week, and also received 1,500 mg of supplemental calcium per day.

Of the nine women with absent or irregular menstruation prior to vitamin D treatment, seven experienced normalization of their menstrual cycles within two months and the other two became pregnant. Dysfunctional uterine bleeding also resolved within two months in both cases in which it had been present.

Other studies have shown that some women with polycystic ovary syndrome had sub-optimal levels of vitamin D.(2,3) Low vitamin D has been clearly linked to insulin resistance and obesity.

In other words, the heavier you are and the more insulin resistant you are, the more likely it is that your vitamin D is too low.

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Author: Leslie Carol Botha

Author, publisher, radio talk show host and internationally recognized expert on women's hormone cycles. Social/political activist on Gardasil the HPV vaccine for adolescent girls. Co-author of "Understanding Your Mood, Mind and Hormone Cycle." Honorary advisory board member for the Foundation for the Study of Cycles and member of the Society for Menstrual Cycle Research.