Fitnessmagazine.com recommends WILD blueberries for their high levels of antioxidants, mineral content, and fiber.

Wild Blueberries  These blueberries offer twice the antioxidants—which may help reduce risk of diabetes and cancer—provided by regular blueberries. One cup of the fruit provides 200 percent of your daily need for manganese, a mineral that helps with bone development, as well as up to 28 percent of your daily need for fiber. 

Full article: http://www.fitnessmagazine.com/recipes/healthy-eating/superfoods/unexpected-healthy-fruits