Already seeing insane results from INSANITY®? Now, get this INSANITY Deluxe Upgrade kit, designed to give you the hardest body you've ever had–even faster. Shaun T's MAX Interval Sports Training and ...

A 60-day cardio-based total-body conditioning program, INSANITY® is likely the hardest workout curriculum ever put on DVD. Fitness trainer Shaun T pushes the limits with 10 workouts packed with ...