Caffeinated Tailwind meets all your calorie, hydration, and electrolyte needs just like you'd expect, plus it adds 35mg of caffeine per 100 calories. Caffeine is proven to significantly enhance high-intensity and endurance performance.* Raspberry Buzz, Green Tea Buzz, and Tropical Buzz available in 50 and 30 serving bags, as well as 200 calorie stick packs.
Contains Caffeine,  Recommended max 6hrs continuous usage
 
30Serve=15Hrs Fuel(200 Cal/hr)