SIS energy gel range utilises maltodextrin as a carbohydrate source, to give athletes energy while maintaining a low sugar profile. GO Isotonic Energy Gels improve performance with no need for extra water. The GO Energy + Caffeine Gels have been clinically proven to improve performance when taken 10 minutes before exercise and GO Energy + Electrolyte Gels are formulated with key electrolytes, to replace those lost via sweating.