Gut Microbiome Beyond Fiber: Prebiotics, Probiotics & Postbiotics

Most discussions of gut health center on fiber, and for good reason—fiber fuels our resident bacteria, leading to beneficial short-chain fatty acids. Yet fiber is only one piece of a far more complex ecosystem. The gut microbiome comprises trillions of bacteria, fungi, viruses, and archaea, each interacting with dietary inputs, host cells, and each other. […]