Meet the most powerful pre-workout on the market.

Stim-5® is a highly unique and powerful pre-workout, created to drive insane pumps, explosive energy and razor sharp focus into your fitness experience.

Packed with clinically studied ingredients like citrulline malate and others, each scoop is lab-dosed to level up your workout.

Our experts have meticulously reviewed all the research. The end result? Stim-5® is the most potent, powerful cutting edge pre-workout you've never had. 

Your best workout–guaranteed.