
Why Some People Don’t Lose Weight on Popular GLP-1 Drugs
GLP-1 weight‑loss drugs such as Wegovy and Zepbound help many people lose weight, but about 10% are non-responders who shed little to no weight. Researchers are investigating genetics, hormones, and timing to predict response, and some doctors use genetic tests to guide therapy. For non-responders, options include switching medications or bariatric surgery, and new drugs targeting other hormones are in development.

