Four months of GLP-1 RA treatment for weight loss was associated with improvements in mental health outcomes including anxiety, depression, and quality of life measures.
Mind improves tooGLP-1 drugs improved anxiety, depression, and quality of life alongside weight loss — reassuring against mental health safety concerns
What the researchers found
Four months of GLP-1 RA weight loss treatment associated with mental health improvements including reduced anxiety, depression, and improved quality of life.
Why it matters
Mental health concerns have been raised about GLP-1 drugs. Showing they IMPROVE mental health provides critical reassurance.
How the study worked
Assessment of mental health outcomes during 4-month GLP-1 RA weight loss treatment.
What this study cannot tell us
4-month follow-up. Cannot separate weight loss effects from direct drug effects. Observational.
How to read the evidence
Observational mental health assessment during treatment.
When this study was published
Published in 2025.
The bigger picture
GLP-1 drugs improve both physical and mental health — addressing the whole person rather than just metabolic numbers.
Questions still open
- Do mental health improvements persist long-term?
- Which mental health outcomes improve most?
- Would patients with pre-existing mental illness show the same benefits?
Common questions
Do GLP-1 drugs help mental health?
Could GLP-1 drugs cause depression?
Read the original research
Mental health changes after 4 months of weight loss treatment with the glucagon-like peptide-1 analogue liraglutide 3.0 mg.
Diabetes, obesity & metabolism, 28(3), 2095-2104
Citation
Kuckuck, Susanne; van Gerwen, Nina; Oosterman, Johanneke E; Savas, Mesut; Kavousi, Maryam; Penninx, Brenda W J H; Boon, Mariëtte R; van Rossum, Elisabeth F C. (2026). Mental health changes after 4 months of weight loss treatment with the glucagon-like peptide-1 analogue liraglutide 3.0 mg.. Diabetes, obesity & metabolism, 28(3), 2095-2104. https://doi.org/10.1111/dom.70393