Natto, the Stinky, Slimy Soybean Snack (IMAGE) American Chemical Society Caption Natto, a food made from fermented soybeans, often turns off newcomers to Japanese food due to its strong smell and stringy slime. But many people love its earthy, cheesy flavor or eat it for its supposed health benefits. In this video, Reactions explains the chemistry of natto -- and we try some for ourselves. https://youtu.be/a9a7LKle9AQ. Credit The American Chemical Society Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.