How does Saxenda work?
Saxenda · liraglutide · by Novo Nordisk
Reviewed by the WeighedHealth Editorial Team against primary clinical sources — FDA labeling, peer-reviewed trials, and specialty-society guidelines.
Content current as of July 2026; updated when guidance or availability changes.
Single GLP-1 receptor agonist. Same mechanism family as semaglutide/Wegovy but shorter half-life (~13 hours) requiring daily dosing instead of weekly.
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Frequently asked
How does Saxenda work in the body?+
Single GLP-1 receptor agonist. Same mechanism family as semaglutide/Wegovy but shorter half-life (~13 hours) requiring daily dosing instead of weekly.
How long until Saxenda starts working?+
Most patients notice appetite changes within 1-2 weeks. Meaningful weight or clinical change typically follows the full titration period (3-5 months).