* More Performance With Less * 30% Less Calories * 55% Less Sugar * 4:1 Carbohydrate Protein Formula * Naturally Flavored * 1 Serving All the rehydration and endurance benefits of a regular sports drink. The Power of 4-1: The secret of Accelerade Hydro is the patented and proven 4-1 carbohydrate-protein ratio. Studies show that Accelerade Hydro: Enhances Rehydration- Rehydrates athletes as effectively as a regular sports drink and twice as effectively as water. Extends Endurance- Extends endurance as much as a regular sports drink and 48% more than water.