Purobien Nutrition Pre Workout is an ultra-concentrated pre-workout supplement formulated for demanding training sessions. Each 12g serving provides 200mg caffeine, 3,500mg beta-alanine, 4,000mg L-citrulline, and 2,000mg creatine. The formula is designed to complement energy, endurance, pumps, and workout performance. Available in flavours including Cola Lemon, Cranberry, and Litchi. ... https://purobiennutrition.com/