Extra strength (with Grape Seed Extract). One of the most powerful anti-aging nutrients known. Slows down DNA aging. Protects the heart. Anti-carcinogenic. Improves blood sugar control. Nobel Prize winning research into Resveratrol has proven that it is one of the most important anti-aging and disease preventive nutrients recently discovered. It is a powerful protector of the heart & brain, has anti-carcinogenic effects and helps maintain healthy blood sugar levels. Furthermore, in 2002, Harvard medical school showed that Resveratrol has life-extension potential, by slowing down the rate at which human DNA ages. Grape Seed Extract works synergistically with Resveratrol to protect the health of the brain and heart, as well as having skin anti-aging effects.