CLIF BLOKS Energy* Chews are an easy-to-chew source of quickly absorbed carbohydrates that deliver glucose and fructose for fast fuel to working muscles [or for athletes during activity].They come in a variety of sodium levels to tailor and track carbohydrate and electrolyte intake.Some flavours are available with various amounts of caffeine^ to help athletes customize their experience.CLIF BLOKS Energy* Chews help during high-intensity activity lasting longer than one hour.For best results, eat 1 packet (2 servings) every hour during long-lasting, vigorous activity; also follow consumption with water. Quickly absorbed carbohydrates* No high fructose corn syrup ^ Not recommended for children or pregnant women. See package for recommended daily dose of caffeine. * Carbohydrate solutions contribute to the improvement of physical performance during high-intensity and long-lasting physical exercise in trained adults.