For years the ancient ginkgo biloba has been known to botanists as the oldest living tree species. Today nutritionists are taking a closer look at this wonderful herb because it has been used for many years throughout Europe. PLEASE NOTE: THIS PRODUCT IS NOT AVAILABLE TO CUSTOMERS IN THE REPUBLIC OF IRELAND. For years the ancient ginkgo biloba has been known to botanists as the oldest living tree species. Today nutritionists are taking a closer look at this wonderful herb because it has been used for many years throughout Europe. PLEASE NOTE: THIS PRODUCT IS NOT AVAILABLE TO CUSTOMERS IN THE REPUBLIC OF IRELAND.