Jarrow Formulas Ginkgo Biloba 50:1 is standardized at a minimum of 24% ginkgoflavonglycosides (or heterosides) and 6% terpene lactones. Ginkgolides A and B are the most active fractions. Ginkgo Biloba has a wide range of beneficial effects, including increased cerebral circulation and antioxidant protection.
Ginkgo-24™ is a standardized concentration of prime quality Ginkgo biloba leaves. The extraction yields 24% ginkgo flavoneglycosides (the key nutrients) from a 50 to 1 concentration. The Ginkgo biloba tree has survived for over 200 million years, virtually unchanged -- the Earth's oldest living species of tree. Ginkgo biloba is the subject of extensive scientific research, and is used worldwide as a nutritional supplement. Suitable for vegetarians.