Gut health refers to the balance of microorganisms that live in the digestive tract. Looking after the health of the gut and maintaining the right balance of these microorganisms is vital for physical and mental health, immunity, and more.
These bacteria, yeasts, and viruses — of which there are around 100 trillion — are also called the "gut microbiome" or "gut flora."
To boost the beneficial bacteria, or probiotics, in the gut, some people choose to take probiotic supplements.
Fermented foods are a natural source of probiotics.
Consuming the following foods regularly may improve gut health: