Ripped in 30 is a comprehensive 30-day diet and exercise plan designed to get you in the best shape of your life! Ripped in 30 is comprised of four 24-minute workouts based on Jillian's bestselling body shredding 3-2-1 interval system: 3 minutes of strength, 2 minutes of cardio and 1 minute of abs. Each incredible routine has fresh, fun new moves that progress in difficulty over a four-week period (a new workout each week). You'll start with workout level 1 and advance to workout level 4. Jillian also shows modified moves for both beginners and advanced athletes in each workout.