retatrutide side effects trial results vs Tirzepatide (2026): Differences in Weight Loss, Metabol – Revolution Health & Wellness 28.7% Weight Loss in New
Description
Yes some lean body mass loss can occur during rapid weight loss on GLP-1 medications

The glucagon receptor component is thought largely on the basis of preclinical data to increase energy expenditure and promote fat breakdown (lipolysis), which may contribute to the substantial weight loss observed in early trials
In contrast, the supernatant of Saccharomyces boulardii has been found to upregulate SERT expression by enhancing the release of heparin-binding epidermal growth factor and activating the epidermal growth factor receptor [83], as a consequence inhibiting gut motility, thereby providing a potential therapeutic strategy for disorders like irritable bowel syndrome (IBS)

Retrieved 1 May 2026

GLP1Prices.ca pharmacy data currently shows Mounjaro ranging from $280 to $813 CAD, consistent with the lower starting dose reductions

In early human studies, weight reduction persisted beyond the last dose, which fits a drug that lingers and works gradually rather than spiking and crashing
