Solaray Vitex Berry 400mg Dietary supplement crafted specially for women to support fertility and may help to reduce premenstrual syndrome and menopausal symptoms. Formulated with herbal extract of Vitex berry, also known as whole chaste tree berries. Vitex berry as a long history of use for women’s wellness in ancient Greek, Chinese, and Ayurvedic traditional systems of medicine. The herb’s key compound, Agnusides, may be responsible for its overall health benefits. It works by decreasing levels of the hormone prolactin. This helps rebalance other hormones, including estrogen and progesterone. Solaray Vitex Berry 400mg supplement is vegan formula and lab verified.