Ginkgo Biloba increases blood flow to the brain and through the entire body's network of blood vessels. Ginkgo Biloba has two groups of active components - flavonoids and terpene lactones including Ginkgolides A, B, and C, bilobalide, quercetin, and kaempferol. Ginkgo can improve vascular blood flow in the corpus cavernosum by relaxing vascular smooth muscle which can improve erectile function.