You have no items in your shopping cart
"Sinister" is the culmination of two industry-leading brands merging their expertise and innovative thinking to craft a pre-workout formula that is truly monstrous in its potency. A perfect storm of innovation and performance enhancement. Delivering intense energy, laser-sharp focus, and extreme muscle pumps to fuel the most demanding workouts.
* Sinister energy.
* Monumental focus and mind-to-muscle connections.
* More power, more strength, and more endurance.
* A true fully-loaded pre-workout experience.