Everyone's talking about it and we've got it...Resveratrol; the beneficial substance found in red wine. Our Resveratrol is concentrated with each capsule supplying more Resveratrol than you would receive from a typical bottle of red wine - without the calories or alcohol! Now with Red Wine Extract. Everyone's talking about it and we've got it...Resveratrol; the beneficial substance found in red wine. Our Resveratrol is concentrated with each capsule supplying more Resveratrol than you would receive from a typical bottle of red wine - without the calories or alcohol! Now with Red Wine Extract.