Gel Refuel. Step 2. C2 Max higher-octane carb blend. Speeds more energy to muscles. Electrolytes of a sports drink. Science at powerbar.com. PowerBar Gel is the first gel to provide the carbs AND electrolytes of a high end sports drink. With C2 Max, an optimized carb blend for faster energy delivery. PowerBar Gel is the first gel to bring this state-of -the-science carb combo that delivers high-octane fuel to working muscles faster. Research shows that consuming an optimal ratio of glucose and fructose sources can increase the amount of carbs that can be digested, delivered to and used by working muscles during exercise by 20-55%.) 4 Times the sodium of leading competitors. Sodium is the key electrolyte lost in sweat and is the only electrolyte recommended to be replaced during endurance exercise. PowerBar Gel is the first leading gel to deliver the higher sodium levels of high end sports drinks in a convenient gel form.