Are you curious about the differences between the all-time best-selling pre-workout Pre JYM, and the newest version Pre JYM X? Formulator Dr. Jim Stoppani breaks down the differences for you and the key strategies his team employed to create Jim Supplement Science's latest innovation.


*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease

More Articles

Why You NEED Pre JYM
Why You NEED Pre JYM
How did I formulate Pre JYM to deliver max results? By knowing exactly what should—and shouldn't—be in a pre-workout....
Read More
Vita JYM Ingredient Breakdown
Vita JYM Ingredient Breakdown
For maintaining optimal health, you want complete nutrition. Here's my breakdown of the ingredients in Vita JYM, and ...
Read More
Women's Nutrition and Supplement Guide
Women's Nutrition and Supplement Guide
I rarely make recommendations based on gender, but if you're a woman there are a few studies you'll want to hear abou...
Read More
Tags: Pre Workout