Ultimate Extract® Standardized. Promotes Healthy Circulation. Promotes Memory Function. Ginkgo Biloba is the oldest species of tree and has been shown to live for 1000 years. Currently Ginkgo is the most widely prescribed herb in Germany. Ginkgo is most commonly known for being a stimulant of the brain and is often used for age related memory loss and severe conditions such as Alzheimers disease severely affecting memory and the brain. Studies have shown that Ginkgo can improve circulation decreasing the risk of blood clots. Ginkgo has also been found to relieve fluid retention and minimize breast pain for women experiencing symptoms of PMS. The standard dosage of ginkgo is 40-80 milligrams standardized.