Germ Fighters

When you eat blackberries, youre giving your body a dose of germfighting ellagic acid, an antioxidant compound with antiviral and antibacterial properties. Each dryweight gram of blackberries has 3.69 milligrams of ellagic acid. The vitamin C in blackberries also may help your body fight off germs. According to the National Institutes of Health, vitamin C helps your immune system function properly to ward off disease.