Ginkgo Biloba Extract Vegetarian Capsules, 60 ct, QC98667 Sale! This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Ginkgo Biloba extract improves the natural blood flow of oxygen to the brain to support healthy memory and concentration. No added sugar, salt, yeast, preservatives, artificial colors or flavors, and gluten-free. Vegetarian capsules.