Resveratrol is part of a group of plant compounds called polyphenols. These compounds are thought to have antioxidant properties that are extremely benefical. The reported resveratrol benefits are such things as reducing the risks of heart disease, cancer, alzheimer’s disease, and diabetes. protecting the body against the kind of damage linked to increased risk for conditions such as cancer and heart disease. Resveratrol is found in the skin of red grapes, but other sources include peanuts and berries.