Ginkoba Memory contains the scientifically tested Ginkgo Biloba leaf extract which historically has been used in traditional Chinese medicine. Ginkoba Memory's clinically proven GB3® (Ginkgo Biloba Triple-Standardized) extract is concentrated 50:1 Ginkgo Biloba leaf standardized to 24% Ginkgo Flavone glycosides and 6% Terpenes to provide a consistent level of the active ingredients.