Dragon fruits have a surprising number of phytonutrients. Rich in antioxidants, they contain vitamin C (equivalent to 10 percent of the daily value), polyunsaturated (good) fatty acids, and several B vitamins for carbohydrate metabolism, as well as carotene and protein. Dragon fruit is also known to have some health benefits that includes preventing memory loss, anti-cancer activity, memoryloss, anti-cancer activity, control of blood glucose level in diabetes, anti-oxidant properties, aids in healing of wounds and others.