Used in traditional herbalism for centuries, recent scientific research has made St. John's Wort one of Europe's most popular herbal products. Provides a concentrated and standardised extract of this popular herb. (Before taking this product please check with your doctor or pharmacist if you are taking any prescribed medicines as St. John's Wort may affect the way they work.)PLEASE NOTE: THIS PRODUCT IS NOT AVAILABLE TO CUSTOMERS IN THE REPUBLIC OF IRELAND.. For all the support a woman needs, we proudly manufacture a terrific selection of Women's Formulas.