The Effect of Diet Intervention or Probiotic Supplementation on the Gut Microbiome and Stress, Anxiety, or Depression Levels: A Systematic Review
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Authors
Shields, Julieona
Date of Issue
2025-04-25
Type
Presentation
Language
en_US
Subject Keywords
Other Titles
Abstract
Objective: To review relevant literature regarding gut microbiome health and impacts on stress, anxiety, and depression in adults.
Methods: Primary sources used were extracted from PubMed and Google Scholar and were assessed for decreased stress, anxiety, and depression with improved gut health. Interventions included diet changes or probiotic supplementation.
Results: The reviewed literature supported the idea that a diet targeting gut microbiome health or probiotic supplementation increases the healthy bacteria in the gut. This change in gut health was shown to decrease stress, anxiety, and depression levels. A randomized controlled study found that a group with a diet intervention that focused on gut health had a 32% reduction in stress while there was no significant change in the control.
Conclusion: Diet changes focusing on gut health or probiotic supplementation are associated with lowered levels of stress, anxiety, and depression.