Each tablet of Quest Ginkgo Biloba contains 150mg of ginkgo leaf extract providing 36mg of ginkgo flavonglycosides. Ginkgo biloba may contribute to normal cognitive and circulatory functionDirections:Take one tablet daily with foodIngredients:Di-Calcium phosphate, Ginkgo biloba 50:1 Extract, Bulking agent: Microcrystalline Cellulose, Magnesium stearate, Anti-caking agent: Silicon dioxide, Glazing Agent: Hydroxypropylmethylcellulose.