Not a solid bar or a fluid drink. Each serving of GU contains 100 fat-free calories in 1.1 ounces and has antioxidants, amino acids, muscle buffers and energy enhancing herbs. GU01$24.99Flavor: Chocolate OutrageVanilla Bean with CaffeineJust Plain with CaffeineOrange Burst with CaffeineTri Berry-with CaffeineEspresso Love-with Double CaffeineStrawberry BananaLemon SublimeJet Blackberry-with Double CaffeineMint Chocolate-NewMixed Box