Natures Plus Ginkgo Combo is a supplement that supports brain and circulatory health. It contains ginkgo biloba extract, basil leaf extract, and other herbal extracts that improve blood circulation and cognitive function. Composition Ginkgo biloba extract, Basil leaf extract, Blend of other ingredients. Instructions for use Ginkgo biloba is beneficial for circulation and memory, but consult a health professional before using it if you are taking medication.