Natrol Ginkgo Biloba Description: Helps Improve Memory Supports Sharpened Alertness Ginkgo Biloba may help support circulation, which is one way researchers believe this herb helps enhance cognitive function. This formula is standardized to guarantee a potent level of highly active compounds. Free Of Yeast, wheat, corn, milk, egg, soy, glutens, animal derivatives, artificial colors and flavors, added sugar, starch, and preservatives. Disclaimer These statements have not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease.