How Weight-Loss Injections Are Curbing Alcohol Consumption

The use of weight-loss injections such as Wegovy, Mounjaro, and Ozempic is tied to unexpected changes in alcohol consumption, according to emerging research and patient accounts reported by the BBC.

Patients taking these medications have reported a significant drop in their desire to drink alcohol. The treatments contain semaglutida or tirzepatida, compounds that mimic a natural hormone called GLP-1 to suppress appetite and maintain a feeling of fullness. Beyond weight loss, researchers are examining how these drugs alter brain reward pathways to curb cravings for substances like alcohol and nicotine, according to Dr. Christian Hendershot of the University of Southern California.

Patient Experiences and Social Drinking Impacts

Lisa Rees, a 46-year-old from the south of Wales, began taking a weight-loss injection in April expecting to shed pounds. Instead, she experienced a sharp decline in her alcohol intake. Before starting Wegovy, she reported drinking between six and eight bottles of wine a week with friends. Since starting the medication, she found that after a couple of glasses, she physically could not drink any more.

No me apetece beber ni una gota más

Lisa Rees

Other patients have reported that their cravings vanished entirely, that drinking caused uncomfortable nausea or heaviness, or that they became intoxicated much faster. Conversely, some individuals noted no change in their drinking habits at all, according to the BBC reporting.

Clinical Research and Public Health Context

Scientific investigation into GLP-1 receptor agonists and alcohol use disorder is advancing. In 2025, Dr. Christian Hendershot published a small-scale study showing that participants with alcohol use disorder experienced reduced drinking urges while taking Ozempic. Additionally, a recent study from the University of Colorado Anschutz suggested that GLP-1 medications administered in pill form reduced heavy drinking days among individuals with mild to moderate alcohol use disorder.

Public health guidelines from organizations like the UK’s National Health Service advise consuming no more than 14 units of alcohol weekly to avoid long-term risks such as liver damage, high blood pressure, and certain cancers. While treatments for weight management show potential secondary benefits in reducing alcohol consumption.