Advanced Botanical Fingerprint Technology™. Ginkgo biloba. Discover Nature's Answer™. Vegetarian / Vegan. Ginkgo biloba leaf and diterpenes are well known for their roles in promoting healthy circulation to the brain and to the extremities. In addition the herb serves as a potent antioxidant. Ginkgo’s effectiveness is attributed to flavonoid glycosides which help explain the herb’s broad range of beneficial properties on the body.