Agnus Castus Agnus Castus   Vitex agnus castus Also known as: chaste berry Source: fresh or dried berries. Actions: hormone regulator, progesterone-like effect. Therapeutic uses: menstrual irregularity, PMS (breast swelling and tenderness, mood swings, for example), menopause, promotes breast milk in nursing mothers, boosts fertility. Typical preparation: tablets, liquid tincture. Contraindications: not recommended during pregnancy. Avoid if taking progesterone drugs. Read More