How Coffee Affects the Gut Microbiome: Beyond Caffeine and the Gastrocolic Reflex
By
Mónica M. Bernardo
Summary
This article explores the emerging scientific evidence that coffee's effects on the gut go beyond the well-known gastrocolic reflex and caffeine-induced motility. It examines how bioactive compounds in coffee — including polyphenols, chlorogenic acids, and melanoidins — may influence the gut microbiota composition, with potential implications for digestive health, metabolic health, and even systemic inflammation. The piece balances traditional understanding of coffee's laxative effects with newer microbiome research, presenting a nuanced view of coffee as a complex dietary factor in gastrointestinal wellness.
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Key quotes
· 3 pulledEvery morning, Javier follows the same ritual: two black coffees before leaving the house.
His gastroenterologist explained that coffee's effects may extend beyond stimulating intestinal motility to altering the gut microbiota, with potential implications for gastrointestinal and metabolic health.
Emerging evidence suggests coffee influences gut microbiota through bioactive compounds beyond caffeine, with potential effects on digestive and metabolic health.
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