Can you eat raw natto?
Quick Answer
Yes
Natto is typically eaten raw. It is a traditional Japanese food made from fermented soybeans and is often served with rice for breakfast.

What Is It?
Natto is a traditional Japanese food made from fermented soybeans. It has a distinctive smell, strong flavor, and slimy texture. It is rich in protein and has a high content of vitamin K2, which is beneficial for bone health.
Historical Context
Natto has been a staple in Japanese cuisine for over a thousand years. It is believed to have originated in the Edo period and has been consumed for its health benefits since then.
Why It Can Be Risky
While natto is generally safe to consume, some people may experience allergic reactions or gastrointestinal issues due to its high fiber content.
- Allergic reactions: Some people may experience allergic reactions to natto, including itching, swelling, and difficulty breathing.
- Gastrointestinal issues: Due to its high fiber content, consuming large amounts of natto may cause bloating, gas, or stomach discomfort.
Safe Method?
Natto is typically safe to eat raw. However, if you have a soy allergy or are sensitive to high-fiber foods, it’s best to consult with a healthcare professional before consuming natto.
Safe Alternatives
If you’re allergic to soy or don’t like the taste of natto, other fermented foods like kimchi, sauerkraut, or tempeh can provide similar health benefits.
Storage Tips
Natto should be stored in the refrigerator to maintain its freshness. Once opened, it’s best to consume it within a few days.