About GU Hydration Drink TabsElectrolyte Replenishment. Refreshing Taste. GU Hydration Drink Tabs provide a boost to your water by supplementing it with electrolytes for improved performance and recovery. Each drink tab contains just 10 calories, in addition to 320 milligrams of sodium and 55 milligrams of potassium to help maintain fluid balance and delay fatigue by replacing electrolytes depleted during exercise. Gluten Free, Dairy Free, Vegan and Banned Substance Tested. About GUIn 1993 Dr. Bill Vaughan was in his Berkeley, California kitchen on a mission to create better and more easily digestible fuel for his ultra-runner daughter. He created the first energy gel revolutionising the world of sports nutrition. This gooey miracle food, was appropriately named the GU Energy Gel and GU was born. Now Gu make a full range of sports nutrition products including hydration, energy and recovery products for athletes all over the world.
