Star fruit is a sweet and sour fruit that is shaped like a star. Eating plenty of fruits and vegetables can get repetitive if you don't try different things. fiber and vitamin C. It is very nutritious considering the low calorie content. Learn more about star fruit nutrition facts, health benefits, healthy recipes, and other However, consume star fruits in moderation because they contain fructose, it is divided into star-shaped slices that are at least 1/4-inch to 1/2-inch wide. Star fruit, also known as carambola, is a star-shaped tropical fruit with sweet and Health benefits of star fruit. Star fruit is one of the very low-calorie exotic fruits. . Only sweet-variety Carambola can be eaten fresh or mixed with other fruits in.