Science-Based NutritionDietary SupplementProfileProven - Quality AssuranceHelps Promotes Mental Function and MemoryVeganNon-GMO and Gluten FreeHelps Supports Circulation in the BrainHelps Promotes Mental Function and MemoryExtra Strength Ginkgo supplies premium quality Ginkgo biloba standardized extract, guaranteed to contain a minimum 24% flavone glycosides and 6% terpene lactones, as verified by independent laboratory analysis.This Ginkgo Extract is guaranteed by the ProfileProven Quality Assurance system developed by Ethical Naturals, Inc. This process includes the most extensive testing and screening at every stage of manufacturing to assure purity and potency.