How GLP-1 Medications Affect Mental Health: Patients Share Their Experiences | Research

The takeaway

Patients on GLP-1 drugs reported complex mental health effects — improvements from weight loss coexisted with challenges from side effects and changed eating habits.

3 themes
Acceptance of negatives, changed food relationships, and mixed mood effects emerged from patient interviews

What the researchers found

Patients experienced both mental health improvements (from weight loss and metabolic gains) and challenges (from side effects and disrupted eating patterns) on GLP-1 medications.

Why it matters

Clinical trials focus on physical outcomes, but patients' lived mental health experiences with GLP-1 drugs are equally important for treatment decisions.

The numbers in context

9 participants interviewed at 12-16 weeks after GLP-1 RA initiation. Three main themes identified through reflexive thematic analysis.

How the study worked

Qualitative study using semi-structured interviews with 9 participants, analyzed via reflexive thematic analysis.

Who was studied

Adults on GLP-1 RAs for obesity and/or T2D

What this study cannot tell us

Small qualitative sample (9 participants) — captures depth but not breadth. Self-selection bias possible.

How to read the evidence

Qualitative research — provides rich experiential data but cannot be generalized. Valuable for understanding patient perspectives.

When this study was published

Published in 2025, capturing contemporary patient experiences with current GLP-1 medications.

The bigger picture

This qualitative evidence fills a gap in understanding the psychological dimension of GLP-1 treatment, which large trials often overlook.

Questions still open

Do mental health effects differ between specific GLP-1 medications?
How do psychological experiences evolve beyond 16 weeks of treatment?

Common questions

Do GLP-1 drugs affect mental health?

Patients report mixed effects — improvements from weight loss and health gains coexist with challenges from side effects and changes in their relationship with food.

Should I expect mood changes on GLP-1 medication?

Some patients experience shifts in mood and eating psychology. Discussing these possibilities with your doctor before starting can help you prepare.

Read the original research

A qualitative study of the mental health outcomes in people being treated for obesity and type 2 diabetes with glucagon-like peptide-1 receptor agonists.

Acta diabetologica, 62(5), 731-742

View on PubMed ↗Publisher’s paper ↗

Citation

Pierret, Aureliane C S; Benton, Madeleine; Sen Gupta, Piya; Ismail, Khalida. (2025). A qualitative study of the mental health outcomes in people being treated for obesity and type 2 diabetes with glucagon-like peptide-1 receptor agonists.. Acta diabetologica, 62(5), 731-742. https://doi.org/10.1007/s00592-024-02392-0