Medically reviewed by Jonathan Purtell, RDN Key Takeaways Eating dragon fruit can help boost your immune system. Dragon fruit may improve heart health by reducing "bad" cholesterol. The fiber in ...

Yellow dragon fruit (Hylocereus megalanthus) is a cactus fruit native to South America. It has white flesh with tiny black seeds and a thick, yellow, scaly peel, giving it a dragon-like appearance.