Science Confirms: Your Daily Coffee Enhances Gut Health and Boosts Mood
Your morning cup of coffee may be doing far more than waking you up. A landmark new study published in Nature Communications, conducted by scientists at APC Microbiome Ireland at University College Cork and sponsored by the Institute for Scientific Information on Coffee (ISIC), has found that both caffeinated and decaffeinated coffee can alter the gut microbiome and positively influence mood, stress levels, memory, and attention.
The research examined 62 participants — half of whom were habitual coffee drinkers — and found that coffee consumers reported measurably lower levels of stress, depression, and impulsivity. Crucially, these effects were observed even with decaffeinated coffee, suggesting that the benefits go well beyond caffeine itself. Researchers say coffee may work by modifying what gut microbes do collectively and what metabolites they produce, directly impacting the gut-brain axis.
Professor John Cryan, the study’s lead author, noted that while public interest in gut health has surged, the mechanisms behind coffee’s positive effects on the gut-brain connection had remained poorly understood — until now. Health and nutrition experts caution that results vary by individual and that more research is still needed, but the findings add compelling new evidence to coffee’s growing health resume.
Source: ScienceDaily