Includes 4 of each: Berry Punch, Lemon Lime, Orange Mist. Created by a Navy SEAL, Endure Endurance Sports Drink is made with a low glycemic carbohydrate called Palatinose. This slow-release carb fuel supports sustained endurance through balanced blood glucose levels and fat oxidation during exercise. Endure also contains essential electrolytes including 470 mg of potassium for hydration. Endure is lightly sweetened so you can drink it quickly even when training hard. Endure is brought to you by Kill Cliff. Kill Cliff gives back to service members, veterans, and their families as a proud, Official Partner of the Navy SEAL Foundation. Better Fuel, Better Training. Performance Drinks for Warriors.