Water chestnuts are a popular, crisp, and slightly sweet ingredient often eaten raw or lightly cooked in Asian cuisine.

Because they grow in muddy, aquatic environments, water chestnuts are more likely to come into contact with bacteria and parasites.

If consumed raw and unwashed, these microorganisms may enter the body and potentially cause painful digestive problems.

While claims of “hundreds of thousands of parasites” are scientifically inaccurate, improperly cleaned water chestnuts do carry harmful organisms.

These specific organisms can cause uncomfortable symptoms such as stomach pain, diarrhea, or overall intestinal discomfort.

The outer skin easily traps dirt and microbes, which means simply rinsing them quickly may not remove all contaminants.

Food safety experts strongly recommend completely peeling and thoroughly washing water chestnuts before consumption.

Cooking them is an even safer option, as the applied heat kills most harmful bacteria and parasites.

Improper storage in humid conditions can cause them to spoil, significantly increasing the risk of food poisoning.

When handled properly, water chestnuts are completely safe, low in calories, rich in fiber, and packed with beneficial antioxidants.