Science In Sport GO Isotonic Energy Gels contain 22g of carbohydrates and 87kcal per serving with low sugar. These gluten-free energy gels are designed for running and other endurance activities, providing a quick supply of carbohydrates for energy during exercise. The isotonic formula allows for rapid delivery of carbs without the need for water, preventing bloating. Established in 1992, Science In Sport collaborates with research institutes, elite athletes, and sports scientists to create effective sports nutrition products.