Standardized Extract, as Phytosomes. Ginkgo biloba standardized extract is proven effective at increasing blood flow to the brain and providing antioxidant protection to the brain tissue. Meta-analyses of numerous small, double-blind clinical trials indicate ginkgo has benefits for concentration and memory, particularly in subjects with poor brain circulation. This Ginkgo Biloba Phytosome Extract is 4X more bioavailable than plain Ginkgo Extract, and facilitates brain oxygenation. Suggested usage- Take 1 capsule 1 to 2 times daily, preferably with food.