Sodium depletion through sweat is the main cause of muscle cramping for endurance athletes. By adding Clif Shot Bloks to your activities, you get electrolytes and carbohydrates in an easy-to-eat solution. The soft, chewable Bloks can be eaten prior to activity to increase blood sugar levels and during to maintain energy. At 33-calories these great-tasting cubes make it easy to customize and track your caloric and electrolyte intake. And, they're easy to eat on the fly thanks to Clif's handy Fastpak.
Nutritional information may vary with flavor.