Who Makes GLP-1 Drugs? Novo, Lilly and Every Other Manufacturer
Who makes GLP-1: the short answer first, then the details that matter.

A quick look at half-life and weight loss
The number of days for half of a dose to leave your body is its half-life. Each FDA label provides this information in section 12.3.
Body weight percentage. Trials vary in their doses and lengths. On its page, compare each result with the placebo from that same trial.