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Lifestyle Essentials

Look great inside the gym and out with JYM shirts, tanks, and hats

JYM Apparel

Accessorize your active lifestyle with BlenderBottle® shakers and great JYM swag

JYM Army Shaker Bottle!


  • Pre Workout

Why Pre JYM is NOT Just a “Pre-Workout”

What makes a fully effective pre-workout are the right ingredients, at the right doses, in the right forms – all of these found in Pre JYM – and taken at the right times.
  • JYM System

The JYM System

All your bases are covered around workout time with Pre JYM, Post JYM and Pro JYM.
  • JYM
  • supplements

Alpha JYM Ingredient Breakdown

My breakdown of the ingredients in Alpha JYM and how they can help to promote and maintain healthier testosterone levels.
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What Are They Saying?

Bill Janke

Bill Janke

They definitely care about the consumer and want them to understand the science behind their products and what makes them different than other supplements on the market.

Ashley Goldstein

Ashley Goldstein

JYM Supplement Science has changed my life and my fitness goals. I’ve already reached goals that I never thought I’d be able to reach with all of my health issues. Thank you, Jim, and thank you JYM for helping me get in the best shape of my life!

J Carrell

J Carrell

If someone out there is looking for help, courage, motivation, accountability, or a fitness community, step out of your comfort zone (like I did), join the JYM Army Facebook group, perhaps post a picture, and let all the amazing JYM Army peeps help carry you in your efforts.

JYM Supplement Science Products

What is JYM Supplement Science?

Learn about JYM's mission to deliver quality ingredient combinations in effective amounts to optimize your nutrition, health, and overall results. – The Ultimate Guide to Your Goals

Let Jim Stoppani be your personal trainer with hundreds of workout programs, custom meal plans, articles, videos, and more.

Dr. Jim Stoppani posing

About Dr. Jim Stoppani

From his days at UCONN and Yale to his tenure as Senior Science Editor at Muscle & Fitness and beyond, Jim Stoppani has taught millions how to successfully change their lives for the better through fitness.

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