Probiotics are live microorganisms that you can consume for gut health. They can be found in kefir, kombucha, sauerkraut, and yogurt, among other foods.

As interest in gut health grows, so too does the popularity of fermented foods and beverages. From kombucha to probiotic sodas, consumers are increasingly turning to drinks that promise digestive ...

Here’s what probiotics really do, why they work and how to get more of them in your diet.