Dr. Mercola Premium Products - Purple Defense - 30 Capsules Dr. Mercola Premium Products Purple Defense contains 50 mg of Resveratrol per capsule. Even if you find a raw source of grapes there are major advantages in store for you when using Purple Defense grape seed. See it s almost impossible for you to chew the seeds enough to get the equivalent benefit you can from the pulverized seeds in Purple Defense. Resveratrol may help promote a normal immune response in your body. Purple Defense Benefits: Improve your memory and concentration Boost the effectiveness of vitamin C in your antioxidant network Regulate nitric oxide -- a potent free radical that regulates your blood flow Help promote your healthy heart Bolster your immune system Also just one capsule of my Purple Defense contains the amount of powerful antioxidant resveratrol that you would find in 39 eight-ounce glasses of wine! So you get the benefits without the alcohol. Plus the grape seed extract in