Do You Really Need Electrolytes, or is it Just Marketing?

Electrolyte drinks like LMNT, Liquid IV, Nuun, Ultima and more are everywhere!But is it all just marketing hype? Are electrolytes something you actually should be supplementing with? In my opinion - maybe. It depends on your exercise, the time of year, and more. Topics covered:What electrolytes are. How you can get each of the electrolytes.Do you need to supplement?What you should look for in a supplement.How to get electrolytes from food.