electrolyte replacement

Learn how each works and when it's best to use one versus the other.

If you've ever had a question about what fluids to take before, after or during a workout, Dr. John Berardi has all the answers.

Learn about the dangers of dehydration and strategies on how to stay hydrated during exercise.

The basic sports drink formula hasn’t changed in 48 years. That doesn’t mean newer is better.

Scott Jurek responds to a reader question about electrolyte replacement while running.