OTE Lemon & Lime Caffeine Gel has been designed to provide quick release energy during exercise. It also contains electrolytes to help replace salts lost during sweating. The gel contains 50mg of caffeine from the natural source of Guarana. Caffeine helps to lower the feeling of perceived exertion. Some would say it’s like rocket fuel. One gel provides you with 20g of carbohydrates, enough energy for 20 minutes of moderate to intense exercise.