What Happens If You Eat Too Many Chestnuts?

What Happens If You Eat Too Many Chestnuts? Continued. Raw chestnuts are safe to eat for most people. However, they do contain tannic acid, which means they could cause stomach irritation, nausea, or liver damage if you have liver disease or experience a lot of kidney problems. Is Chestnut good for diarrhea? Overview. European chestnut