95% Polyphenols. Natural Antioxidant Protection. Natural Factors Grape Seed 100 mg capsules contain a standardized extract providing no less than 95% Polyphenols (natural polyphenol flavonoids). The result is a leading-edge antioxidant with optimal potency and purity.
"I used grapeseed extract a number of years ago. I am recovering from a protein deficient diet so I thought some grapeseed would help. I can't really feel any difference because I haven't been taking it long enough. I plan to order more and see how I feel in 6 months."