A monthly must-have: This Vital Extracts formula delivers a potent dose of vitex berry extract plus whole vitex berry for efficacious PMS and overall herbal support you can rely on.*† * Expertly formulated for powerful PMS support, including to help ease breast tenderness*† * 225 mg of vitex berry extract per 1 VegCap serving—guaranteed to contain 0.5% agnuside, the herb’s key beneficial compound * With 100 mg of whole vitex berry for additional support * Also known as chasteberry, vitex has a long history of use for women’s health in Ayurveda and other traditional systems of medicine † As experienced in conjunction with PMS.