Chasteberry is the fruit of the Chaste tree, a small shrub with purple flowers that grows in subtropical regions of the world. It has been used as a treatment for minstrel complaints for centuries and is European doctors most commonly prescribed remedy for PMS (Premenstrual Syndrome. PMS is thought to be a Progesterone deficiency so Chasteberry can help restore the Estrogen-Progesterone balance which can relieve symptoms such as bloating, moodiness and depression. This herb has had some success in infertility patients and can help restore the cycle of women suffering from Amenorrhea (loss of menstruation). Also, menopausal women may find Chasteberry eliminates Hot Flashes.