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Ditch the gels, chews and pills and get the most out of your long-distance runs, bike rides, hikes and more with Tailwind Nutrition's Caffeinated Endurance Fuel. Our Endurance Fuel contains all-natural ingredients, no dyes, preservatives or 4-syllable magical ingredients, clean, light flavors, and is perfect for hydration packs: dissolves on contact and cleans up with a quick rinse. Skip the stomach upset and stay hydrated with Tailwind's sport drink mix. Feel the difference caffeine makes with this endurance fuel. Power through your high-intensity and long workouts with the extra boost of 35 mg of caffeine per 100 calories. Caffeine is proven to significantly enhance high intensity and endurance performance. This caffeinated all-in-one sports drink offers complete calories, electrolytes and lets you go all day with just Tailwind. Try all our flavors to find your favorite. Caffeinated Endurance Fuel comes in Raspberry Buzz, Green Tea Buzz and Tropical Buzz and in 50 and 30 serving bags or 200-calorie stick packs.