Vitex has become one of the most widely relied-upon botanicals in American and European herbalism. Vitex modifies the effect of the hypothalamus and pituitary glands. This helps regulate and balance female hormone production.

Planetary Herbals have been developed by expert herbalists, focusing predominantly on the thousands of years of experience of Ayurvedic and traditional Chinese herbalism, the hundreds of years of experience of Western herbal practitioners, and the more than 30 years of clinical experience of professional herbalists such as Michael Tierra, Lesley Tierra, Jill Stansbury, and Alan Tillotson.

Planetary Herbals offers the best of classic herbal traditions, integrating herbal formulas used continuously for literally hundreds of thousands of years, with the latest finding of clinical pharmacological research.