1, navel orange is a very rich nutritional value of the fruit, which contains a large number of vitamins, dietary fiber, can be effective antioxidant, fight free radicals, delay skin aging, enhance the body's immunity.

2, but after eating more navel oranges may lead to an increase in the content of gastric acid, triggering gastric pain, gastric distension, evil, vomiting and other phenomena. And the fructose content of navel oranges is very high, for some people with bad teeth and dental caries may lead to aggravation of the symptoms. And may lead to aggravation of diabetic symptoms, diabetic people are not recommended to eat.