Tanzil Miah/Getty Images
- Fermented foods are rich in probiotics and can increase gut microbiome diversity.
- Mass-produced, processed, fermented foods may not be as beneficial.
- A gut-health dietitian recommends eating a variety of fermented food and buying locally-made items.
Studies have shown that fermented foods, like sauerkraut and kimchi, are good for gut health.
Made when live bacteria or yeast are added to ingredients like tea, milk, or vegetables, fermented foods contain probiotics, which are the "good" bacteria in our guts.