Ginkgo Biloba maintains the supply of blood to the brain and other extremities, consequently supplying these areas with more oxygen and sugar for their needs. It is believed to help sustain blood fluidity and protect cells from damage because vertain active parts have antioxidant effects. Each Natures Aid Ginkgo Biloba tablet contains 60mg of standardised extract which provides the equivalent of 3000mg of Ginkgo Biloba leaf. The standardised extract provides 24% Ginkgo flavone glycosides (help capture free radicals at the retinal and celebral level, also helps protect capillaries against fragility) and 6% ginkgolides and bilobalides (prevents clots in blood vessels, inhibits hypersensitiveness which can trigger asthma). Directions: 1 - 3 tablets per day with food. Natures Aid Ginkgo Biloba Extract Ingredients: Di-Calcium Phosphate Microcrystalline Cellulose Ginkgo Biloba Extract (50:1) Anticaking Agents (Vegetable source Stearic acid, Silicon Dioxide) Should be avoided by anyone suffering from abnormally low blood pressure (hypotension). This product is not suitable for insulin dependant diabetics.