When it comes to performing at your best, don't just hydrate, hydrate right by adding newly reformulated GU Hydration Tabs to your water. Bring your system back into balance before, during and after your workouts with this special formula that'll give you the right amount of sodium and other key electrolytes to keep you going stronger, longer. Plus, you're going to love this new, quicker dissolving formula which is made using xylitol instead of sorbitol to help you avoid gastrointestinal problems. Hydrate right, on the go, with GU Hydration Tabs.