Water is generally the best way to replace lost fluids. But if you're exercising for more than 60 minutes, use a sports drink. Sports drinks can help maintain your body's electrolyte balance and give you a bit more energy because they contain carbohydrates.
Sep. 04, 2014
- Eating and exercise: 5 tips to maximize your workouts. MayoClinic.org. http://www.mayoclinic.org/healthy-living/fitness/in-depth/exercise/art-20045506. Accessed July 2, 2014.