The compound found in buckwheat known as d-chiro-inositol have a therapeutic effect in polycystic ovary syndrome.
Ovulatory and metabolic effects of D-chiro-inositol in the polycystic ovary syndrome.
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Key Findings
Abstract
BACKGROUND: Women with the polycystic ovary syndrome have insulin resistance and hyperinsulinemia, possibly because of a deficiency of a D-chiro-inositol-containing phosphoglycan that mediates the action of insulin. We hypothesized that the administration of D-chiro-inositol would replenish stores of the mediator and improve insulin sensitivity. METHODS: We measured steroids in serum and performed oral glucose-tolerance tests before and after the oral administration of 1200 mg of D-chiro-inositol or placebo once daily for six to eight weeks in 44 obese women with the polycystic ovary syndrome. The serum progesterone concentration was measured weekly to monitor for ovulation. RESULTS: In the 22 women given D-chiro-inositol, the mean (+/-SD) area under the plasma insulin curve after the oral administration of glucose decreased from 13,417+/-11,572 to 5158+/-6714 microU per milliliter per minute (81+/-69 to 31+/-40 nmol per liter per minute) (P=0.007; P=0.07 for the comparison of this change with the change in the placebo group); glucose tolerance did not change significantly. The serum free testosterone concentration in these 22 women decreased from 1.1+/-0.8 to 0.5+/-0.5 ng per deciliter (38+/-7 to 17+/-3 pmol per liter) (P=0.006 for the comparison with the change in the placebo group). The women's diastolic and systolic blood pressure decreased by 4 mm Hg (P
Affiliation
Department of Medicine, Medical College of Virginia, Virginia Commonwealth University, Richmond 23298-0111, USA. [email protected]
External References
- PubMed ID:
- 10219066
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