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 Science of Creatine
The Science of Creatine
Who wins the debate on creatine? ...
Read More
The Science of Beta Alanine
The Science of Beta Alanine
Beta-Alanine offers a host of benefits that promote better performance and results. ...
Read More
Pre Workout- Abbreviated Formulas
Pre Workout- Abbreviated Formulas
Most supplement companies fall short on their ingredient list. ...
Read More
Tags: Pre Workout