Psychiatric effects of GLP ‐1 receptor agonists: A systematic review of emerging evidence

Oct 23, 2025Diabetes, obesity & metabolism

Mental health effects of GLP-1 receptor drugs: A review of new evidence

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Abstract

A systematic review suggests that may have modest antidepressant effects.

  • GLP-1 receptor agonists are increasingly recognized for potential neuropsychiatric effects beyond managing blood sugar levels.
  • Preliminary evidence indicates potential therapeutic benefits in eating disorders and substance use disorders.
  • The association with remains inconsistent and requires further investigation.
  • Studies reviewed showed variability in dosing, clinical indications, and the baseline psychiatric status of participants.
  • Concerns regarding the impact of GLP-1 receptor agonists on psychiatric symptoms in schizophrenia have not been resolved.

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Key numbers

195%
Increase in Major Depressive Disorder Risk
Risk associated with GLP-1RA use in individuals with obesity
0.12
Reduction in Depression Scores
Standardized mean difference from meta-analysis of GLP-1RA users
−8.14
Reduction in Binge Eating Scale Scores
Mean difference in scores among GLP-1RA users compared to controls

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