Magnesium, potassium, or sodium? Learn what each electrolyte does, signs of low levels, and when a supplement may help.

Electrolytes are key to hydration, mainly because they enhance fluid retention. “Having more electrolytes can trigger more efficient fluid uptake from the gut,” says Kim Barrett, a gastrointestinal ...

Electrolytes are crucial for body processes such as conducting nerve impulses, contracting muscles, hydrating, and regulating pH levels. You need adequate electrolytes from your diet to keep your body ...

I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest fitness gadgets, testing out activewear and sneakers, as well as debunking wellness/fitness myths. In my free time I enjoy ...

Optimal ranges are set at different levels for each electrolyte, and levels can be measured with a blood test. If you have an electrolyte imbalance, you either have too much or too little of one or ...

Rebecca Jaspan is a registered dietitian specializing in anorexia, binge eating disorder, and bulimia, as well as disordered eating and orthorexia. Electrolyte powders are made up of sodium, potassium ...

Medically reviewed by Erika Prouty, PharmD Electrolyte supplements have become a staple in gyms, on running trails, and in everyday water bottles. Marketed as essential for hydration and performance, ...