Will I Really Feel Better if I Eat Fermented Foods?

Microbial fermentation may interact with health through multiple different biological pathways. It can enhance the nutritional composition of the final food, create bioactive compounds, and change the composition of the gut microbiota (potentially outcompeting harmful pathogens). The lactic acid bacteria in fermented food might also help to influence your immune system and strengthen your intestinal barrier. Some fermented foods, like tempeh, also contain prebiotics; these are fibers that escape your digestion and are broken down by your gut bacteria, including your lactic acid bacteria, which feed off prebiotic fiber to help grow their colonies. In a recent diet experiment, a high-fiber diet was compared with a diet high in fermented foods (eg, yogurt, fermented vegetables, kefir, fermented cheese); those who ate higher fermented food had lower markers of inflammation and an increased diversity of gut microbiota (which is thought to be a good thing in adults). So, in theory, fermented foods sound good. https://www.medscape.com/viewarticle/967385

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