E.S.P.® EXTREME is formulated to be one of the strongest, high-energy Pre-Workouts in the marketplace. It is designed for individuals who require higher potency stimulants to maximize performance and energy and increase strength training during workouts. E.S.P. EXTREME’s unique multi-dose scoop allows you to tailor its strength to meet your tolerance and workout requirements.*

Contains Caffeine: One scoop contains 250 mg of caffeine, two Scoops contain 500 mg of caffeine, and three scoops contain 750 mg of caffeine.