Ginkgo Biloba is a powerful antioxidant, which has been shown to enhance memory and concentration. The emulsifying action of Phosphatidylcholine intensifies the herbal compounds, increasing the absorption, delivery and bioavailability. Research on Ginkgo Leaf Extracts, supported by over 400 studies, has focused on increasing circulation to the extremities and the brain and improving short-term memory and attention span. Each teaspoon of Innovative Natural Products® Ginkgo Biloba Phytosome contains 40 mg. of 24% Ginkgoheterosides.