The human gastrointestinal tract contains a vast number of microbial cells, with various kinds of microorganisms present. This includes bacteria, viruses, fungi, archaea, and protozoa. Maintaining a balance among these microorganisms is crucial for overall health.

Gut health is a complex issue, and scientists are still working to understand the mechanics of supporting it. While some fermented foods, such as yogurt, have been linked to health benefits, it is not always clear if these benefits are directly related to the food itself.

Further information on gut health and the role of microorganisms is available, providing a more detailed look at this complex topic.