The human body is inhabited by a vast number of bacteria and other microorganisms, the majority residing in the gut. The collective microorganisms that live in coexistence with their hosts are referred to as the microbiome. Beyond its role in supporting physiological functions in food digestion, the microbiome also performs multiple functions and interacts dynamically with the host. The microbiome regulates the intestinal mucosal barriers and assist with development of systemic immune systems that potentiate the defence against malevolent pathogenic microorganisms. Collectively, the microbiota exerts a fundamental and necessary influence on systemic immunity and metabolism – a healthy gut microbiome means an overall healthy host.

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