Key PointsEli Lilly and Novo Nordisk dominate the weight loss drug market with their injectable GLP-1 drugs.Both players recently won approval for oral formulations, offering patients a new, convenient option.10 stocks we like better than Eli Lilly › Eli Lilly (NYSE: LLY) and Novo Nordisk (NYSE: NVO) have been leaders in an area that's seen explosive demand over the past few years: the weight loss drug market. And growth is far from over. Analys…