The Cardio Killer program is all about cardio workout for the best results for calorie-fighting and obesity. It consists of two cardio workouts, each lasting 25 minutes. The first workout is much easier than the second, but both will take a lot of work. Unlike other workouts, dumbbells are not needed here. In the video, you will see a variety of intense exercises, planks, running and martial arts elements. By doing this program, you would become more enduring, you can strengthen the heart muscle and, most importantly, lose weight.