The purpose of this study is to determine whether micronized trans-resveratrol improves clinical (excessive hair, menstrual cycle), endocrine (androgens)and metabolic (lipids, markers of systemic inflammation) in women with polycystic ovary syndrome (PCOS).

Inclusion Criteria:

• PCO - Androgen Excess Society criteria: hyperandrogenism (hirsutism) / hyperandrogenemia (testosterone >70ng/dl) and/or oligomenorrhea (<8 spontaneous menses per year) and/or polycystic ovarian morphology on ultrasound
• Normal prolactin, TSH, 17-OH progesterone
• No evidence of androgen producing malignancy, Cushing's syndrome or acromegaly
• Age 18-40

Exclusion Criteria:

• Use of oral contraceptives and/or other steroid hormones 3 months prior to the study