Can peptides cause or worsen depression?

Some users report mood changes with peptides, though this isn't well-studied. Rapid weight loss from GLP-1s can sometimes trigger mood disturbances. If you have a history of depression, monitor your mental health closely and maintain regular psychiatric care. <a href='https://www.nimh.nih.gov/health/topics/depression' target='_blank'>NIMH Depression Info</a>