Chestnuts have been a food source for thousands of years. There are four main species of chestnut tree: the Chinese chestnut, the Japanese chestnut, the European chestnut, and the American chestnut.
Chestnuts are rich in vitamin C, which makes them unique among nuts. Chestnuts are a good source of antioxidants. Antioxidants and minerals like magnesium and potassium help reduce your risk of cardiovascular issues. Chestnuts can also help improve your digestion. They are good source of fiber, that supports the growth of healthy bacteria in your gut. The fiber in chestnuts can help balance the blood sugar. Chestnuts are lower in calories than many other types of nuts.