Ginkgold is the original and patented ginkgo extract. For years, it has been a best selling natural health care product in Europe and the United States. And it's the only ginkgo extract used and recommended by doctors and other healthcare professionals in over 70 countries, outselling all other ginkgo products combined worldwide. - Advanced, proprietary extract of premium Ginkgo biloba leaves - Standardized to 24% Ginkgo flavone glycosides and 6% terpene lactones - Over 20 active and coactive constituents - Helps support memory, concentration, and mental activity- Supports circulation to the brain and extremities- Helps maintain blood vessel tone- Helps protect against free radicals- Oxidative stress impacts the health of brain and blood vessel tissues