What are the nutritional facts for dragon fruit?

One serving of dragon fruit contains 34 percent of the daily recommended value of vitamin C, or 20.5 milligrams, according to HealWithFood.org. A very high water content leaves each 100-gram serving containing about 87 grams of water. One serving offers 2.1 percent of the daily recommended value of protein, 12 percent of the daily recommended value of fiber and 10 percent of the daily recommended value of iron.

Other vitamins present in dragon fruit, though in smaller quantities, include vitamin B1, vitamin B2, vitamin B3, calcium, phosphorus and zinc, according to HealWithFood.org. Dragon fruit contains very little fat at 0.4 grams per serving. Dragon fruit's largest nutritional advantage is that it boasts more than three times the vitamin C found in carrots. Vitamin C is responsible for helping to strengthen, heal and protect the immune system.

To preserve flavor and nutrients, dragon fruit is most often eaten raw, according to HealWithFood.org. Because of its nutritional makeup of being high in fiber and polyunsaturated fatty acids, dragon fruit is an effective remedy for relieving constipation. The seeds of dragon fruit are most commonly used to stimulate a bowel movement. There are many types of dragon fruit, including those with white, red or yellow flesh.