BOUCEANS Energy Chews give athletes something to chew on during training and races. With similar nutrients per serving as the original GU Energy Gels, GU Energy Chews can help mix up a nutrition plan to keep things interesting while out on the road or trail. Branched-chain amino acids limit muscle fiber damage and increase speed of recovery. Extra electrolytes help maintain water balance and some flavors feature caffeine to increase concentration. GU Energy Chews contain 90 calories per packet.