Caffeinated Tailwind meets all your calorie, hydration, and electrolyte needs just like you’d expect, plus it adds 35 mg of caffeine per 100 calories. Caffeine is proven to significantly enhance high-intensity and endurance performance. Clean, light flavors taste better the longer you go, with no stomach issues. Dissolves on contact and cleans up with a quick rinse. No film, aftertaste or science experiments!