Barnstorming GLP-1 drugs have sent Eli Lilly and Novo Nordisk rocketing up the list of the most valuable pharma brands. | Barnstorming GLP-1 drugs have sent Eli Lilly and Novo Nordisk rocketing up the list of the most valuable pharma brands. The leading weight-loss players were the two big winners in the latest report by Brand Finance, which found the value of the two brands jumped by more than 50% over the past year.