Ginkgo Biloba from Webber Naturals is a standardized 50:1 extract containing 24% of flavone glycosides and 6% of terpene lactones, the primary active compounds of the herb. This extra-strength formula provides the same dosage used in clinical trials that show ginkgo’s efficacy in supporting enhanced cognition and peripheral circulation.Ginkgo biloba is one of the oldest known therapeutic herbs. Studies have shown that ginkgo increases blood flow and circulation in the brain, helping to improve memory, attention, focus, and learning.Ginkgo biloba is also used to support circulation to the brain and throughout the body. Research shows that the herb is helpful in enhancing peripheral blood flow, with benefits for cold hands and feet and erectile dysfunction.Ginkgo Biloba from Webber Naturals is an extra-strength, full-spectrum extract offering the combined benefits of the whole herb as well as the standardized known active constituents.