Water chestnuts are very nutritious and contain high amounts of fiber, potassium, manganese, copper, vitamin B6 and riboflavin. Most of their calories come from carbs.
Water chestnuts are a great source of the antioxidants ferulic acid, gallocatechin gallate, epicatechin gallate and catechin gallate. These antioxidants can help the body combat oxidative stress, which is linked to many chronic diseases.
Water chestnuts are a great source of potassium. Diets rich in potassium have been linked to reduced heart disease risk factors such as high blood pressure and strokes.
Water chestnuts are made of 74% water, which makes them a high-volume food. Following a diet abundant in high-volume foods may help you lose weight, as they can keep you fuller for longer with fewer calories.
The flesh of water chestnuts is very high in ferulic acid, an antioxidant that has been linked to a reduced risk of oxidative stress and cancer.