Vitex (Vitex agnus-castus) is a plant used in herbal medicine. Also known as chaste tree or chasteberry, it’s often used to remedy women’s health problems. Vitex supplements typically contain extracts of the fruit and/or seed of the plant.

In herbal medicine today, vitex is frequently used to manage the following:2

Premenstrual syndrome (PMS)

Infertility in females

Menopausal symptoms