Vitex agnus-castus, or "chaste tree," is a shrub native to the Mediterranean and Asia. The fruit has been historically used for reducing sexual desire.
Vitex agnus-castus fruit and seed contain chemicals that seem to affect many hormones involved in the female reproductive cycle.
People use vitex agnus-castus for conditions related to the menstrual cycle such as breast pain and premenstrual syndrome (PMS). It is also used for bone fractures, infertility, menopause symptoms, and many other conditions
 
Traditionally, C. copticum has been used in the past for various therapeutic effects including bloating, fatigue, diarrhea, abdominal tumors, abdominal pain, respiratory distress, and loss of appetite. It has other health benefits such as antifungal, antioxidant, antibacterial, antiparasitic, and hypolipidemic effects.
 
Vitex agnus-castus, commonly called chaste tree, is typically grown in warm winter climates as a vase-shaped, deciduous shrub (to 10-15' tall) or trained as a single trunk tree to 20' tall 
 
Chaste tree has been used to treat menstrual cycle problems and pain, premenstrual syndrome, and menopause. Chaste tree berries may help stimulate progesterone. This is a female hormone that rises 2 weeks before menstruation.