A combination of two ancient herbal remedies have been used for thousands of years in China to dramatically boost your brain power.
A small dose of ginseng can improve your memory. Ginkgo biloba has the same effect on your focus and concentration But you can combine the two for an even greater impact --with a combination of 60% ginseng and 40% ginkgo best.
Psychologist Andrew Scholey of the University of Northumbria tested 20 subjects on four separate days. Over the four days each subject received a different dose of the plant extracts, and one placebo.
After just one dose of ginkgo biloba, the volunteers had much faster reaction times in a simple math test requiring focused concentration. But the 60-40% combination gave the most powerful results of all
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