Can Eating Too Many Chestnuts Cause Constipation?

Chestnuts are a popular snack, but overconsumption may lead to digestive issues, including constipation. Chestnuts contain a high amount of starch and only a small amount of soluble dietary fiber, which can make them difficult to digest in large quantities. When consumed excessively, they may slow down bowel movements and lead to discomfort.

People who eat more than half a pound to a full pound of chestnuts at once may experience difficulty passing stool. This issue is particularly common among teenagers and young adults. In some cases, individuals have reported symptoms such as bloating, gas buildup, and even nausea after eating large amounts of chestnuts. While releasing gas may provide some relief, many find it hard to do so, worsening the discomfort.

Children are especially at risk due to their underdeveloped digestive systems. Their intestines may not handle large volumes of starchy foods like chestnuts efficiently. Overeating can cause fecal impaction—where stool becomes stuck in the intestines—leading to constipation, gas retention, and in severe cases, intestinal blockage.

To avoid these problems, it's important to consume chestnuts in moderation. Eating reasonable portions helps maintain healthy digestion and prevents unwanted side effects. Everyone's digestive tolerance varies, so it's best to adjust intake based on individual needs and remain mindful of how your body reacts to certain foods.