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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).

Your workouts on the go

As a member, you can access all of my training programs, supplements, diets and industry leading articles from your phone.

Unique Workout Programs

Programs for individuals of all levels complete with photos, videos and descriptions of each exercise. Whatever your starting point or fitness goals are, I have a program for you.

JYM Pathways

Not sure where to start? JYM Pathways are your glimpse into how real lives have been transformed by following my training, nutrition, and supplementation advice



My ground breaking JYM Supplement Science product line was designed to work in unison with all my workout programs and nutrition plans to maximize your results. No proprietary blends or concentrated formulas. With unheard of transparency I personally answer questions and share with you exactly what ingredients I use in all my formulations.


Whether your goal is to gain muscle mass, get shredded for the summer, or simply improve overall health and fitness, my diet and meal plans provide the step-by-step instruction you need to succeed.

My Train With Jim series features all the workouts I do personally every single day. When following the articles and programs – comprised almost entirely of fat-blasting full-body workouts – you’re in the trenches right along with me, as if I’m your own personal trainer or training partner.


The JYM Army is the ultimate source of motivation and support. This feature allows you to connect with tens of thousands of other members to create discussions, ask questions and share transformations.

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