Born Out of Iceland To Bring Health To The World! The main benefits of Hydration Xpress from HAPPY HYDRATE are the effects of electrolytes that we lack along with the main vitamins. The goal is clearer thinking, faster water absorption, less headaches, increased use of water in the body, increased performance in physical exertion, etc. Happy Hydrate is an Icelandic brand for people who want to improve their health in a simple way and increase well-being and success in work and play.