Vitex Extract is a traditional herbal remedy derived from the fruit of Vitex agnus castus, a shrub which grows in temperate regions of Asia. In ancient times it was a symbol of chastity, hence its common name, the chaste berry tree. Vitex has been researched due to its reputation for supporting female hormonal levels during menopause. this standardized formula contains a minimum of 0.5% agnusides, the active components of Vitex, as well as Dong Quai for synergism and additional hormonal support.