Clif SHOT BLOKS are organic energy chews that naturally enhance your performance. Because they're chewable, they're easier to grab, store, handle, and consume than many energy options. Serving size: 3 pieces. 2 servings per bag. Consume 3 6 SHOT BLOKS every hour during activity always follow consumption with water. Each serving contains 20 mg potassium, 24 g carb, 70 mg sodium Margarita flavor has 210 mg sodium to ward off muscle cramps. 33 calories per cube so it's easy to customize and track caloric and electrolyte intake during long outings and races. Ingredients include organic brown rice syrup, organic evaporated cane juice, organic brown rice syrup solids. Each bag weighs 2.1 ounces. Multiple flavors available. Orange and Tropical Punch contain 25 mg of caffeine. Black Cherry contains 50 mg of caffeine.