Raspberries

Slightly tart and juicy, the raspberry is a nutritional powerhouse in a tiny package. Raspberries are rich in ellagic acid (which provides the majority of the berry's antioxidants), and anthocyanins (which give raspberries their deep, red color and exhibit antimicrobial properties).
As if their high antioxidant content wasn’t enough, raspberries are also great sources of the vitamins and minerals riboflavin, niacin, folate, magnesium, potassium, copper, manganese and vitamin C.