In their own words

Advanced Electrolyte Solution [end-short-description]   WHAT’S CF(REHYDRATE)®?   CF(Rehydrate)® is a natural electrolyte replacement drink designed for medical-grade rehydration. Free from artificial colors , flavors, and sugars, CF(Rehydrate)® delivers the electrolytes and essential hydration you need, without the harmful additives found in typical sports and hydration drinks. Whether you’re training for a marathon or recouping from a night out on the town, sometimes you have to go clinical with your recovery plan.