E.S.P.® EXTREME is formulated to be the highest strength, energy Pre-Workout in the marketplace. Designed for individuals who require higher potency stimulants to maximize performance, 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 specific tolerance and workout requirements.*

Contains Caffeine: 1 Scoop contains 250 mg of caffeine. 2 Scoops contains 500 mg of caffeine. 3 Scoops contains 750 mg of caffeine.