Aronia berries, or chokeberries, are small, dark fruits .
Aronia berries are low in calories but pack a nutritional punch, as they’re high in fiber, vitamin C, and manganese .
The berries also supply vitamin K, folate, iron, and vitamins A and E.Plus, they’re an excellent source of beneficial antioxidants, which help protect your cells from potentially harmful molecules called free radicals. Aronia berries are particularly high in anthocyanins, which give the berries their dark blue to black color.