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World's #1 Fitness Expert

Research Fellow at Yale University School of Medicine. I use Real Science to Give You Unreal Results.

Submitting your information allows Jim to deliver you the most cutting edge training, nutrition and supplement research available via email, SMS/MMS and phone (including through automated or prerecorded means).


If you have ever done a workout from publications such as Muscle & Fitness, FLEX, Muscle & Fitness HERS, etc...chances are it was either written by Jim or overseen by him. Jim has saved some of his best workouts exclusively for Not only does Jim just give you the exercise sets and reps of each workout program, but now you can bring each and every exercise to life. View Jim himself perform each and every movement along with video and hear Jim describe how to execute every movement as if he were in the room instructing you personally. Take it one step further and download every single workout to your iphone or ipod touch so you can take your workouts with you on the go. Never before has a system been in place that makes working out so easy.