The Ginkgo Biloba is a tree that was transferred from China to Japan. The Gingko tree was already on the Chinese mainland about 270 million years ago !! This plant has a long historical and traditional use as an herbal medicine in Chinese dietetics. Ginkgo increases blood flow to the brain and improves the respiratory system. This plant also helps as a remedy for depression, altitude sickness, ringing in the ears and multiple sclerosis.
You only notice the effects of Ginkgo after a few days or weeks of regular use.
The crushed leaves are used to make a tea or to make an extract. The recommended doses range from 4 to 12 grams per day.