Ginkgo contains two main bioactive components, flavonoid glycosides (24%) and terpene lactones (6%), along with ginkgolic acids A, B and C. This plant can act at the level of cerebral microcirculation and has a nootropic and neuroprotective action. . Instructions for use: Take 1 ampoule a day diluted in a little water. Shake before use.\ Store in a cool, dry place, protected from light.