Glossary / Lexicon

Probiotics are live microorganisms that are consumed in order to provide health benefits. These microorganisms are usually bacteria, but can also be yeasts. In the context of psychology, probiotics are being studied for their potential effects on mental health and well-being.

There is evidence to suggest that the bacteria in our gut, collectively known as the gut microbiome, play a role in regulating our mood and behavior. Probiotics are thought to help support a healthy gut microbiome, which in turn could have positive effects on mental health.

One example of a study on probiotics and mental health was conducted with individuals diagnosed with major depressive disorder. The study found that participants who received a probiotic supplement in addition to their regular treatment had a significantly greater reduction in their symptoms compared to those who received a placebo.

Another study looked at the effects of probiotics on individuals with chronic fatigue syndrome. The study found that probiotic supplementation was associated with significant improvements in mood and cognitive function compared to a placebo.

Probiotics have also been studied for their potential effects on anxiety. One study found that probiotic supplementation was associated with reduced levels of anxiety in individuals with irritable bowel syndrome.

In addition to their potential effects on mental health, probiotics have also been studied for their effects on physical health. Probiotics are commonly used to help support digestive health and to prevent or treat certain gastrointestinal disorders, such as irritable bowel syndrome and inflammatory bowel disease.

Other potential benefits of probiotics include strengthening the immune system, reducing inflammation, and improving skin health. However, more research is needed to fully understand the potential benefits of probiotics.

Similar to probiotics, prebiotics are also being studied for their potential effects on mental health and well-being. Prebiotics are non-digestible food components that help support the growth of beneficial bacteria in the gut. Examples of prebiotic foods include onions, garlic, and asparagus.

In addition to probiotics and prebiotics, there are also synbiotics, which are a combination of probiotics and prebiotics. Synbiotics are thought to be more effective than either probiotics or prebiotics alone, as they provide both beneficial bacteria and the nutrients needed to support their growth.

Overall, probiotics are being studied for their potential effects on mental health and well-being, as well as their potential benefits for physical health. While there is still much to learn about the effects of probiotics, there is growing evidence to suggest that they could be a valuable tool for promoting overall health and wellness.