Jillian Michaels 30 Day Shred: Jillian Michaels, winning trainer on NBC’s The Biggest Loser, helps you lose big: up to 20 pounds in 30 days! Her 30 Day Shred DVD includes three 20-minute circuit-training workouts that burn mega calories and build strong, lean muscle. Each level contains a 20-minute workout based on Jillian’s exclusive 3-2-1 Strength/Cardio/Ab training circuit: 3 minutes of strength, 2 minutes of cardio, and 1 minute of ab work. There’s also a brief warm-up sessi (more…)