Resvital – 90 capsules is a crude red sour grape powder devoid of chemical processing, the freshest grape extract available. This sun-dried formula full of photonic energy, is full of resveratrol, malic acid, tartaric acid, vitamin C and the minerals chromium as well as potassium. The whole grape-skin, seed, and sour pulp is used. Let slowly dissolve under the tongue for maximum potency or in your favorite beverage. In capsule form for easy use.