- Convenient one-a-day high potency tablet - Each tablet provides leaf extract equivalent to 6000mg leaf - Commonly known as the \"memory tree\" Ginkgo biloba is the world\'s oldest living species of tree. Individual trees live as long as 1,000 years. Ginkgo grows most predominantly in the southern and eastern U.S, southern France, China, and Korea. It is the leaves of the tree that are traditionally used. Use of ginkgo can be traced back almost 5,000 years in Chinese herbalism. This convenient 1 a day product provides 120mg of high quality standardised extract which is equivalent to 6000mg whole Ginkgo Biloba leaves.