Can probiotic bacteria in yogurt and kefir help improve mood?

Emerging research suggests certain probiotic bacteria may influence mood through the gut–brain axis. In this episode, we examine what the evidence shows, what remains uncertain, and how this applies to patients in Europe.

In this episode, we cover:

• What probiotics are (live microorganisms that may support gut health)

• The gut–brain axis and how the microbiome may affect mood regulation

• Specific strains studied in yogurt and kefir

• The difference between dietary probiotics and clinical treatment

• Current evidence limitations and study quality

• When low mood may require formal mental health assessment

• When self-treatment is not appropriate

We explain how doctors assess mood symptoms, includi ...