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

The 5 Best Pre Workout Foods
The 5 Best Pre Workout Foods
Before your next hard training session, grab one of these functional foods to boost your performance in the gym and e...
Read More
10 Exercises That Go Beyond the V-Taper for a Classic X-Frame Physique
10 Exercises That Go Beyond the V-Taper for a Classic X-Frame Physique
Wide shoulders and lats. Narrow waste. Sweeping quads. Here are your go-to moves for a badass V-taper and X physique....
Read More
Dr. Jim Stoppani Breaks Down Pre JYM X
Dr. Jim Stoppani Breaks Down Pre JYM X
Many of you have been asking me, “What is Pre JYM X” well, I’m here to explain my EXTREME EVOLUTIONARY PRE-WORKOUT! ...
Read More