Jillian Michaels' 30 Day Shred will guide you through her exclusive 3-2-1 Interval System that combines strength, cardio and abs to blast through calories for dramatic results in 30 days. Jillian Michaels' 30 Day Shred: Level 1 is based on Jillian's exclusive 3-2-1 Strength/Cardio/Ab training circuit. Progress to Levels 2 and 3 to see dramatic results in just 30 days.
