ENDURANCE FUEL - FLAVOUR - GREEN TEA BUZZ CAFFEINE KICK! 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.* Colorado Cola, Raspberry Buzz, Green Tea Buzz, and Tropical Buzz available in 50 and 30 serving bags, as well as 200 calorie stick packs. (1 serve=1 scoop= 100 calorie) Caffeine boost when you need that extra kick Complete calories, electrolytes, and hydration: Ditch the gels, chews, and pills, and go all day with just Tailwind. No gut bombs: Stomach problems? You ll love Tailwind. Unless you enjoy being doubled over, retching. Tasty all day: Clean, light flavours taste better the longer you go. Hydration pack love: Dissolves on contact and cleans up with a quick rinse. No film, aftertaste or science experiments! All natural: Crystal clear with no dyes, preservatives or 4-syllable magical ingredients.