Medically reviewed by Archana Sharma, DO Key Takeaways A potassium blood test measures the potassium level in your blood to ...

Electrolytes are chemicals naturally occurring in your body fluids. They include chloride, phosphate, potassium, sodium, and calcium. These are important for normal body functions and should be ...

Medically reviewed by Sohaib Imtiaz, MD Key Takeaways Potassium supplements can help lower blood pressure if your potassium ...

Have you ever finished a run and noticed a thin layer of salt built up on your arms or forehead? This is evidence of your body losing salt – or electrolytes – through sweat. Keeping on top of your ...