Gut is the digestive tract and associated organs, including the mouth, esophagus, stomach, small intestine, large intestine (colon), rectum, and anus. The gut has several functions in the body, including digesting food, absorbing nutrients, and eliminating wastes.
The human gut is home to a complex community of microorganisms known as the gut microbiota. The gut microbiota consists of trillions of bacteria that play a critical role in many aspects of human health, including metabolism, immunity, and brain function.
The composition of the gut microbiota is unique to each individual and is influenced by factors such as diet, age, lifestyle, and medications. disruptions in the gut microbiota have been linked to a variety of diseases and conditions, including obesity, diabetes mellitus type 2 , inflammatory bowel disease , allergies , and autism spectrum disorder .