Coat of arms. This article is about coat of arms which is only an element of an achievement (heraldic symbol); the expression 'coat of arms' is often erroneously used to refer to the whole achievement . For the whole heraldic symbol, see achievement (heraldry).
The effects of this herbal stimulant are similar to caffeine. Ginkgo, also known as ginkgo biloba, is a well-known type of natural stimulant. The stimulant properties of this plant are said to improve circulation and brain function. Many physicians recommend ginkgo supplements to prevent memory and concentration problems associated with age.
The German Commission E (the equivalent of our FDA) is the world's foremost authority on herbal supplements. The standardized Ginkgo Biloba Extract was invented in Germany nearly 40 years ago. The Commission E rates Ginkgo as positive for the treatment of tinnitus and recommends a dosage of 480 mg per day. They also state that there are no side effects or harmful interactions with other medications and that there is no toxic limit; i.e., you cannot overdose on it.