how do you know retatrutide is working works: mechanism of action and onset explained Substack Series 3 of 6:

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The medication activates GLP-1 (glucagon-like peptide-1) receptors to promote insulin release, slow gastric emptying, and suppress appetite

Colonization versus dependency When you stop taking a pharmaceutical GLP-1 medication, the drug clears your system within one to two weeks (depending on the specific medication half-life), and the effects disappear

PMID 19164583

Activation of these receptors reduces appetite and food intake by enhancing satiety signals and reducing hunger

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