What are GLP-1 drugs, why are they used for weight loss?
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GLP-1 drugs mimic a natural hormone called glucagon-like peptide-1, which regulates blood sugar and appetite.
What are GLP-1 drugs?
These drugs were first developed to manage type 2 diabetes by helping the pancreas release insulin after meals.
Originally for diabetes
GLP-1 drugs slow down digestion, reduce hunger, and make people feel full faster, leading to reduced calorie intake.
How they aid weight loss
Popular names include Semaglutide (sold as Ozempic, Wegovy) and Tirzepatide (sold as Mounjaro, Zepbound).
Common GLP-1 brands
Most GLP-1 drugs are taken as weekly or daily injections, though oral versions like Rybelsus also exist.
How they're taken
Clinical trials show people can lose 10–20% of body weight when combined with diet and lifestyle changes.
Weight loss results
Common side effects include nausea, vomiting, constipation, and, in rare cases, pancreatitis or gallstones.
Side effects to know
GLP-1s are not advised for those with certain thyroid cancers or a family history of such conditions.
Not for everyone
Doctors emphasise these are not magic bullets—they work best with medical supervision, nutrition, and exercise.
Part of a bigger plan
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