Coffee’s cognitive benefits may act through the microbiota–gut–brain axis

1 May 2026

New research published in Nature Communications shows that coffee consumption alters the gut microbiome and may influence cognition, mood, and behaviour through the microbiota–gut–brain axis. The study found that both caffeinated and decaffeinated coffee affect brain function, immune response, inflammation, and beneficial gut bacteria, highlighting coffee’s role in mental health and metabolic health.

Read full article at Beverage Daily