Electrolyte Hydration Drink Comparison. How do SkratchLabs & OSMO Stack up Against 1st EnduranceEFS?

Full Article available at First Endurance - "It’s important to understand that there’s a distinct difference between ‘hydration drinks’ and a complete fuel mix, like EFS.    A ‘hydration drink’ is designed to offer optimal fluid absorption in order to keep athletes well hydrated.  They are just low calorie drink mixes with electrolytes with the sole focus of hydration.   A complete drink, like EFS, offers optimal hydration AND delivers the essential calories that are necessary for endurance training and racing."