Prioritize foods in their most natural form—think apples instead of apple juice and whole grains like quinoa instead of processed white flour.

If you’ve ever sweated through a session of 30 Day Shred or Body Revolution , you know that Jillian Michaels doesn’t believe in shortcuts. The fiery trainer is famous for telling contestants on The Biggest Loser that "you can't out-train a bad diet." This philosophy is the cornerstone of her nutritional guides, which are often sought after in the form of the elusive .

This eliminates common inflammatory foods: gluten, dairy, alcohol, caffeine, sugar, and corn. A sample day looks like this: