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.
Ginkgo (Ginkgo biloba) improves blood flow to the retina (the light-sensitive tissue at the back of the eye). Preliminary research suggests extracts improve vision in people with glaucoma. It is also antioxidant and protects nerve cells, including those in the eye. Coleus (Coleus forskohlii) contains forskolin.