Ginkgo Biloba has been used medicinally in China for hundreds of years for various conditions, including the nutritional support of the brain. Nature's Plus Ultra Ginkgo 100 leaves are manually harvested during peak growing season, then low-temperature dried to maintain maximum potency, purity & nutritional integrity. One capsule contains Ingredients: Ginkgo Biloba Leaf (50:1 extract (standardized 24% [24 mg] ginkgo flavone-glycosides & 6% [6 mg] terpene lactones)100 mg Silica, gelatin, glycerin & water. These statements have not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Hypo-Allergenic, Contains no yeast, wheat, corn, soy or milk.