About this item Each serving of PreW.O. is perfectly engineered to maximize Energy, Strength, Pump and Intensity Formulated to support your goals and maximize the results of intense training Up the intensity and pumps in your workout with 8g of Citrulline, 1.5g of Nitrosigen (Arginine), 3.2g of Carnosyn (Beta-Alanine), 1.5g of Betaine, and the synergistic power of 125mg of TeaCrine (Theacrine) 300mg of caffeine for energy without the crash Manufactured in GMP and Sport Certified facilities