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Ginkgo biloba is used to improve cerebral circulation, mental alertness, and overall brain functioning. Ginkgo biloba leaf is effective for people with symptoms of reduced blood flow to the brain and extremities. It has been shown to be helpful with many of the complaints of the elderly such as: short-term memory loss, slow thinking and reasoning, depression, dizziness, ringing in the ears, headaches, and senile macular degeneration (a major cause of blindness).
Dosage: Most research has been done with a ginkgo biloba extract, which contained a 24% concentration of flavonoid extract. At this strength, the usual dosage is 240-320 mg per day taken in three divided doses.
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