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GLP-1 receptor agonists work by: Stimulating insulin secretion from pancreatic beta cells in a glucose-dependent manner, which helps regulate blood sugar levels Slowing gastric emptying , meaning food remains in the stomach longer, promoting feelings of fullness Acting on appetite centres in the brain , particularly the hypothalamus, to reduce hunger signals and food cravings Decreasing glucagon secretion , which helps prevent excessive glucose production by the liver Most GLP-1 agonists are administered via subcutaneous injection, typically once weekly or once daily depending on the specific formulation, though oral semaglutide (Rybelsus) is also available

Additionally, there is a boxed warning regarding thyroid C-cell tumors based on rodent studies, though human relevance remains uncertain

When someone loses weight rapidly, basal metabolic ratethe calories burned at restnaturally decreases

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Unlike many people on semaglutide, Wood hasn't experienced any negative side effects, she said