GLP-1 Weight-Loss Drugs Like Ozempic (Semaglutide): How Do They Work? Are They Effective?

What is the hormone GLP-1, what separates GLP-1 mimics from previous weight-loss drugs, and how much weight may be lost before weight loss plateaus?

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Michael Greger, M.D. FACLM, founder of NutritionFacts.org and New York Times best-selling author of How Not to Die, How Not to Diet, and the just-released How Not to Age, brings you the latest in evidence-based nutrition research, delivered in easy to understand video segments. NutritionFacts.org is a non-profit and non-commercial public health organization, and more than 2,000 videos on virtually every aspect of healthy eating are available on our website. New videos and blogs are uploaded every day–always without any sponsors, ads, brand partnerships, or paid subscriptions.