PROANTHODYN™ Antioxidant Protection. Source Naturals Grape Seed Extract is a rich source of procyanidins - water-soluble antioxidant flavonoids that are excellent free radical scavengers and have been shown to support the capillaries and circulatory health. Grape seed extract also has been shown in preliminary research to cross the blood/brain barrier and provide powerful antioxidant protection to the brain.
"I am 79 years old --I have been taking this for many years and feel my brain is as sharp as ever. Would be this way without the grape seed extract? I really don't want to try it to see. I only have one brain and it is a pretty darned good one."