Ginkgo BilobaPure Encapsulations Ginkgo 50 is a concentrated 50: 1 Ginkgo biloba leaf extract delivering 160mg per vegetarian capsule. Each serving is standardized to contain 24% ginkgoheterosides and 6% terpene lactones, the primary active compounds found in Ginkgo biloba. The formula uses hypoallergenic plant fiber (cellulose) as the only additional ingredient, housed in a vegetarian capsule made from cellulose and water. This minimal ingredient approach