Women's Health O/U Blend is a specially designed and processed ovary and uterus concentrate, combined with an array of vitamins, minerals, and herbs. Many herbs that contain hormonal balancing properties, such as Blessed Thistle, Wild Yam, Queen of the Meadow, Red Raspberry Leaves, Milk Thistle, and other specific herbs, have been integrated into this formula in an effort to sustain women's emotional and physical hormones.