Doctors Best Best Extra Strength Ginkgo Extract promotes mental function and memory and supports circulation in the brain. Doctors Best Extra Strength Ginkgo Extract supplies premium quality Ginkgo biloba standardized extract, guaranteed to contain a minimum 24% flavone glycosides and 6% terpene lactones, as verified by independent laboratory analysis.
Extra Strength Ginkgo Extract provides the potent combination of flavonoids (mainly flavone glycosides) and terpene lactones isolated from the leaves of Ginkgo biloba. The ginkgo tree is a plant model of longevity as it can thrive for up to 1,000 years while withstanding environmental elements. It has been cultivated in China as a sacred tree for thousands of years, with its traditional health uses dating to as early as 2800 B.C.
The major flavonoids isolated from ginkgo leaves are kaempferol, quercetin and isorhamnetin. The main terpene lactones are 20-carbon derivatives referred to as ginkgolides A, B, C, J and M.
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