Eli Lilly (NYSE:LLY) has announced that its investigational drug tirzepatide led to more substantial blood glucose and body weight improvements in a Phase 3 trial than semaglutide, a diabetes drug from Novo Nordisk (NYSE:NVO) that recently scored FDA approval for weight loss in early June. Lilly’s SURPASS-2 results published in The New England Journal of Medicine show tirzepatide…