Your Best Workout Starts With Pre JYM. What does your Pre-workout ritual look like? If it doesn’t involve 5 must-have ingredients in proper doses and proper forms, that ritual is lacking. There’s one simple solution to this problem: Pre JYM. It has everything you need, in the right doses, to get the best workout possible and maximize long-term results. Check out this short video to see what those 5 must-have ingredients are and why you need Pre JYM before you train.buy now!