Dietary Supplement. Improves oxygen-rich blood flow. Clinically proven safe & effective. Ginkoba - Sharp: We're often careful to take care of our bodies. But it's not often that we think to take care of our brains. Ginkoba is a daily dietary supplement that is clinically proven to improve mental sharpness by safely increasing the flow of oxygen-rich blood to the brain. Being sharp helps you stay focused, so you can get things done and turn yourself into the success you want to be. With more than 30 years of worldwide clinical research, you can be confident that it's a safe and effective way to help your brain function at its best. Contains no sugar, caffeine or artificial stimulants. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.)