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Galluzzi L, Morselli E, Kepp O, Vitale I, Rigoni A, Vacchelli E, Michaud M, Zischka H, Castedo M, Kroemer G
How GLP-1s WorkAnd Why That Matters GLP-1 agonists mimic a naturally occurring hormone that affects appetite and digestion
these are typically managed with dosing adjustments and supportive measures
Evidence tier by reported use The single most useful way to read this pair is not which peptide is stronger but which specific use has which tier of evidence. The table below maps each commonly discussed use to its strongest available evidence and an honest interpretation
In 2025, a pill version of Wegovy was also approved for weight loss
While considerable progress has been made in elucidating the mechanisms of gut-brain axis hormones such as GLP-1 and ghrelin in both central and peripheral tissues following bariatric surgery, the intracellular signaling pathways of other hormones remain insufficiently understood
