The EFS Liquid Shot represents the latest collaboration between First Endurance, consumers like you and the most demanding athletes in the world. From the state of the art formula down to the eco friendly packaging, the EFS Liquid Shot is packed with the latest and greatest from First Endurance. Its called a liquid shot because it doesnt contain gelling agents that can slow down absorption and digestion. Features include our exclusive 400 calorie supercharged endurance formula that boasts over 1500mg electrolytes, 1000mg amino acids and 100 grams of simple complex carbohydrates, all in clinically effective doses. Plus, its packaged in an easy to use, resealable, refillable, and fully recyclable container. Also available in a 30 ounce refill.