Delicious syrup between two thin wafers that contain the nutrients that make GU products great, like amino acids, electrolytes, and carbohydrates Essential amino acids prevent mental fatigue and repair muscle damage during long-duration activities Electrolytes replenish what's lost when you sweat to maintain water balance Quality carbohydrates provide immediate and long-lasting energy from complex and simple carbohydrates The Assorted Flavors pack contains 4 each of the following flavors: Caramel Coffee, Salted Chocolate, Salty's Caramel, and Wild Berry