Effect of Cinnamon Extract on Insulin Resistance in Polycystic Ovary Syndrome

Inclusion Criteria: * 20 to 40 years of age * Have a body mass index 25-40 kg/m2 * Have a sedentary lifestyle (participated in less than 30 minutes of physical activity 3 days per week over the last 6 months) * History of irregular menstrual cycles (fewer than 6 cycles in past year) * Excess androgen (to be measured at screening) * Willing to supplement normal diet with cinnamon extract and a placebo for 12 weeks * You can stay overnight at Pennington Center three times over the next six months Exclusion Criteria: * Do not meet our diagnostic criteria for polycystic ovary syndrome * Have heart disease, lung disease, liver disease, blood disease, kidney disease, type 1 or 2 diabetes, or any other disease that in the opinion of the doctor might make you ineligible. * Have cancer (active malignancy with or without concurrent chemotherapy). * Abuse alcohol or illegal drugs. * Smoke or have smoked within the previous 6 months. No smoking will be permitted during the study. * Have donated blood within 30 days prior to randomization date. * Have a hemoglobin, hematocrit, red blood cell, or iron level below the normal lower limit at screening. * Taking medications that alter your glucose metabolism, (30 minute or more, 4 or more times per week over the past year.) * Unwilling or unable to adhere to the clinical evaluation schedule over the entire six-month follow-up period.