Helps support memory and mental alertness Promotes healthy cognitive function Give your brain an herbal boost with Swanson Ginkgo Biloba! Extracts of Ginkgo biloba leaves have been used in China for almost 5,000 years as a way to support memory and mental sharpness. Our Ginkgo extract is standardized to contain 24 percent flavone glycosides and six percent terpene lactones for guaranteed potency in each capsule.