Gingko, the oldest living species of plant on earth, is more than 225 million years old. In this U.S. it has been one of the ten best selling herbs for more than 5 years and a standardized extract of ginkgo leaf is presently one of the most frequently used plant-based medicines in Europe.
Recent research into the plant has discovered a range of active compounds in the leaves and this has excited a lot of interest in the health-promoting potential of the plant. The leaves contain ginkgolides, these are compounds that are unknown in any other plant species. The leaves are best harvested in the late summer or early autumn just as they begin to change color. They are dried for later use.
Ginkgo leaf supports cognitive health. The leaves are considered "sweet" and have a gentle effect. They can be used in teas, capsules, and extracts.