The gut microbiome consists of trillions of microorganisms, including bacteria , viruses , and fungi , that inhabit the human digestive tract . Far from being passive residents, these microbes form a highly dynamic ecosystem that continuously adapts to diet, environment, and lifestyle factors. This complex microbial community plays a fundamental role in maintaining digestive efficiency, metabolic balance , and intestinal homeostasis . Through intricate biochemical interactions, the gut microbiome helps break down nutrients, synthesize essential compounds, and support overall gastrointestinal function . The gut microbiome consists of trillions of microorganisms, including bacteria, viruses, and fungi, that inhabit the digestive tract. These microbes play a critical role in breaking down complex carbohydrates , fermenting dietary fiber , and producing essential compounds such as short-chain fatty acids , which serve as an important energy source for intest...