Staying Healthy

Understanding new weight-loss drugs

A class of drugs called GLP-1 receptor agonists can help with weight loss in people who live with obesity or type 2 diabetes. But are they suitable for other people?

By , Executive Editor, Harvard Men's Health Watch

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Some people who struggle with weight loss have been able to find assistance from several FDA-approved weight-loss medications, such as bupropion plus naltrexone (Contrave), phentermine (Adipex-P), phentermine plus topiramate (Qsymia), and orlistat (Xenical, Alli). On average, such drugs can help people lose 5% to 7% of their body weight when paired with a healthy diet and exercise.

Now a newer class of medications used to treat type 2 diabetes has gained attention because of their impressive weight-loss results — in many cases, 10% to 20% of a person's body weight. They're called glucagon-like peptide-1 (GLP-1) receptor agonists.

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About the Author

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Matthew Solan, Executive Editor, Harvard Men's Health Watch

Matthew Solan is the executive editor of Harvard Men’s Health Watch. He previously served as executive editor for UCLA Health’s Healthy Years and as a contributor to Duke Medicine’s Health News and Weill Cornell Medical College’s … See Full Bio
View all posts by Matthew Solan

About the Reviewer

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Howard E. LeWine, MD, Chief Medical Editor, Harvard Health Publishing

Dr. Howard LeWine is a practicing internist at Brigham and Women’s Hospital in Boston, Chief Medical Editor at Harvard Health Publishing, and editor in chief of Harvard Men’s Health Watch. See Full Bio
View all posts by Howard E. LeWine, MD

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