★Best way to burn fat & lose weight★ ★Best HIIT Workout app★ ★Scientifically proven to improve health★ Get our HIIT Workouts & Training App to get results FAST! High intensity interval training (aka HIIT, Tabata, Crossfit) is scientifically proven to be the most efficient way to burn fat and keep fit. 4 minutes of HIIT is equivalent to 1 hour of more traditional cardio. Why HIIT Workouts & Training instead of Cardio Workouts? - Short and effective hiit workouts that will make you sweat an