a microscopic view of the human digestive system showcasing the beneficial bacteria that contribute to a healthy gut microbiome

human microbiome gut health bacteria probiotics digestive system intestinal microorganisms microscopic wellness nutrition tract intestines colon small intestine large gastrointestinal enzymes immune immunity inflammation digestion absorption prebiotics food diet healthy lifestyle science research medical scientific biota flora beneficial microbiota ecology gutbrain axis view showcasing contribute emphasizes importance role wellbeing generative