GU: Two letters that represent big nutrition. GU Energy Gel is an effective way to keep fueled during exercise and is ideal for athletes who don't like to munch on bars or chews. The GU Gel packs can be easily stored in small pockets and are ready to eat as soon as you need fuel. GU also makes an Electrolyte Brew powdered drink mix that is the perfect companion to the Gel. GU guards their super secret recipe and maintains the strictest quality control standards to make sure each GU has the proper texture, taste and pH level. GU's mission is to help all athletes go farther faster.