Released from the breeding efforts of the pioneering grape breeder, Elmer Swenson, these red, firm grapes are distinguished by their unique fruity flavor that has undeniable strawberry notes. Even though Swenson grapes are known as a red, their actual color changes depending on climate. For example, in cooler areas it will be blue, whereas in very warm areas, it will become a translucent green. Like other plant-based foods, the antioxidants in grapes may reduce cellular damage by protecting cell membranes. Eating about 1 to 2 cups of grapes per day can help shield your tissues by limiting the chemical reactions that trigger inflammation in your body.