The gut-brain axis is a complex communication network that connects the digestive system and the brain. Diet rich in fibre, probiotics, and prebiotics supports a diverse gut microbiome, enhancing mood and emotional well-being. The WHO/FAO and EFSA (2022) suggest consuming 25g of dietary fibre daily from fruits, vegetables, nuts, and legumes for healthy bowel movements. Short-chain fatty acid (SCFA) production by gut microbiota through the fermentation of dietary fibre is crucial in modulating the affective and cognitive function of the brain. Fermented foods like yoghurt and kefir provide probiotics, aiding gut health, reducing depression and anxiety, and promoting a positive mindset.
Within this intricate system, probiotics—live microorganisms that confer health benefits when consumed in adequate amounts—are emerging as key players in regulating mood and cognitive function.