The Wegovy pill has had one of the most successful drug launches of all time. At least 3 million prescriptions of the Wegovy pill have been filled for Americans since early January. It’s the latest sign of the unrelenting demand for weight-loss therapies in the U.S. Novo Nordisk NVO DK:NOVO.B, which sells the GLP-1 pill, said Sunday that there have been more than 3 million prescriptions for the highest dose of the Wegovy pill since the pill’s launch on Jan. 5.