Domesticated fruits are larger, sweeter and have less fiber than fruit . Ironically, dragonfruit actually reduces blood sugar if eaten after a meal. Some dragon fruits have red or yellow skin (which looks a little like a soft . It's proven to lower blood sugar levels as well as blood pressure, strengthen bones. Dragon fruit is low in calories and cholesterol ma of dietary fiber, 10 grams of sugar, 1 gram of protein, and high content of Vitamin C (over 30% of the DV).