How GLP-1 Drugs Work: Gut, Brain and Pancreas, Step by Step
How GLP-1 works: a plain explanation, with the facts from the prescribing information.

Weight loss and half-life at a glance
Section 12.3 of each FDA label explains half-life in days, or how long your body takes to clear half a dose.
The percentage of body weight. The trials, doses, and lengths differ, so compare each result with the placebo on its page.