Echelon Spicy Pre-Workout Energy Drink - 12-Pack, Mango Reaper - Peak Performance, Sustained Energy, Focus and Endurance Dietary Supplement - 300mg of Caffeine, Beta-Alanine, L-Theanine, Tyrosine, Citrulline, & Fiber - Vegan, Zero Sugar, Low Carb * Military-Developed Pre-Workout Energy Drink: Echelon was developed alongside over 2,000 U.S. Military service members to deliver sustained energy, focus, and endurance to power you through your workout and your entire day. Pack of 12. * Flavor: Mango Reaper blends the rich and juicy sweetness of mango, citrus notes from dehydrated lime, and a subtle heat from ground chile. * Focused and Sustained Energy: Synergistic formula delivers 300mg Caffeine and 200mg of L-theanine to deliver potent, focused energy without the jitters and crash.