This Pomelo big grapefruit has a unique flavor that has hints of both sour and sweet. Grapefruit can be eaten whole, sliced or juiced for a refreshing beverage. If you are looking for a citrus addition to your next meal, a hint of grapefruit could be the missing ingredient to your favorite recipe. They are low in calories but contain a lot of vitamins and nutrients and are an excellent source of vitamins A and C.