Blueberry are a member of the heather family and related to cranberry, bilberries, and lingonberries. The most commonly grown species is the North American Blueberry , but other types are found in nature. Due to their very sharp and sour taste, blueberry are rarely eaten raw. In fact, they’re most often consumed as juice, which is normally sweetened and blended with other fruit juices. Other Blueberry-based products include sauces, dried Blueberry, and powders and extracts used in supplements.