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Current Nutrition Reports

Probiotics and the Microbiota-Gut-Brain Axis: Focus on Psychiatry

  • Open Access
  • 01-09-2020
  • Schizophrenia
  • Functional Foods (CM Whisner, Section Editor)
Published in:
Authors
Sabrina Mörkl
Mary I Butler
Anna Holl
John F Cryan
Timothy G Dinan
Published in
Current Nutrition Reports | Issue 3/2020

Abstract

Purpose of Review

Probiotics are living bacteria, which when ingested in adequate amounts, confer health benefits. Gut microbes are suggested to play a role in many psychiatric disorders and could be a potential therapeutic target. Between the gut and the brain, there is a bi-directional communication pathway called the microbiota-gut-brain axis. The purpose of this review is to examine data from recent interventional studies focusing on probiotics and the gut-brain axis for the treatment of depression, anxiety and schizophrenia.

Recent Findings

Probiotics are likely to improve depression but not schizophrenia. Regarding anxiety, there is only one trial which showed an effect of a multispecies probiotic. However, determinants like the duration of treatment, dosage and interactions have not been thoroughly investigated and deserve more scientific attention.

Summary

Microbiome-based therapies such as probiotics could be cautiously recommended for depression to enhance beneficial bacteria in the gut and to improve mood through the gut-brain axis.
Title
Probiotics and the Microbiota-Gut-Brain Axis: Focus on Psychiatry
Authors
Sabrina Mörkl
Mary I Butler
Anna Holl
John F Cryan
Timothy G Dinan
Publication date
01-09-2020
Publisher
Springer US
Published in
Current Nutrition Reports / Issue 3/2020
Electronic ISSN: 2161-3311
DOI
https://doi.org/10.1007/s13668-020-00313-5
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