Fermented foods influence gut health positively by introducing beneficial probiotics that promote a balanced microbiome. These foods, such as yogurt, kefir, and sauerkraut, enhance d digestion and improve nutrient absorption. The probiotics found in fermented foods can strengthen the gut barrier, reduce inflammation, and might alleviate some digestive issues like irritable bowel syndrome (IBS). Regular consumption of these foods may also support the immune system, enhance mood, and reduce the risk of certain diseases by promoting a healthy gut environment.