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Gingko extract contains numerous chemicals; carious flavonoids are among the most active ingredients in Gingko. In laboratory and animal experiments, this remedy’s extracts appear to increase blood flow, inhibit platelet – activating factor, and neutralize oxygen free radicals. Gingko biloba – the maiden hair tree, is the oldest species of the tree alive today. Gingko is principally promoted to improve memory and enhance the circulation. A highly publicized 1997 American study of 203 individuals reported that a particular gingko extract, EGBz61, was able to stabilize or improve cognitive performance and social function in patients with Alzheimer’s Disease or multi-infarct dementia, another common cause of mental deterioration in the elderly. However, the improvement occurred in only 27% of patients and was modest at that. European studies suggest that Gingko may improve pain-free walking in patients with intermittent claudication caused by peripheral vascular disease. Few side effects are associated with Gingko. Ginseng products are the third best selling herbal supplements in the United States resulting in about $270 million in sales annually.
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