Ginkgo Biloba has been shown to enhance oxygen utilization and thus improves memory, concentration, and other mental faculties. Ginko may significantly improve long-distance vision and may reverse damage to the retina of the eye. Studies have also confirmed its value in the treatment of depression in elderly persons. The ginkgo extract may provide relief for persons with headache, sinusitis, and vertigo. It may also help relieve chronic ringing in the ears known as tinnitus.
In studies, Ginkgo biloba has been reported as demonstrating anti-oxidant abilities with improvements of the platelet and nerve cell functions and blood flow to the nervous system and brain. It has also been reported as reducing blood viscosity. It's ability to increase vascular dilation, may help reduce retinal damage due to macular degradation and may reverse deafness caused by reduced blood flow.