Your gut contains trillions of microbes, which serve many functions. Beneficial microbes, primarily bacteria, help with digestion, synthesize certain micronutrients, and support your immune system.1. Microbes feed on what you eat, which is why your nutrition can play a crucial role in maintaining a healthy gut microbiome. Eating foods that nourish beneficial bacteria helps them grow and function. This also limits the food available for harmful bacteria, Read more