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Gut Microbiome Timing

Meaning

Gut Microbiome Timing refers to the rhythmic, circadian oscillation in the composition, metabolic activity, and localization of the trillions of microorganisms residing in the gastrointestinal tract. The activity of the microbiome is not constant but cycles in a 24-hour pattern, influencing host processes such as nutrient absorption, gut barrier integrity, and immune function. This temporal organization is tightly linked to the host’s feeding and fasting cycles, as well as the host’s own intestinal clock. Maintaining a synchronized microbiome rhythm is increasingly recognized as a vital aspect of digestive and systemic health.