Ginkgo has been traditionally used to improve blood circulation. Every tablet of Nova Ginkgo contains a standardized extract of 24% ginkgo flavonoids and 6% terpenes, similar to those used in clinical trials. For your peace of mind, Nova Ginkgo also meets the safety standards of the German Commission E Monographs with the level of ginkgolic acid less than 5ppm in every tablet. Standardized extracts Less than 5ppm ginkgolic acid