Saxenda and Wegovy both contain different active ingredients, Saxenda contains the active ingredient Liraglutide, whereas Wegovy contains Semaglutide. They both are injectable medicines for weight loss that work to suppress hunger and increase the feeling of fullness. Wegovy is a once-weekly injection compared to Saxenda, which needs to be injected daily, so if you are looking for a more convenient option, Wegovy may be the best option for you.