The average person loses about 1 pint of fluid during a short time in the sauna(5), so it’s important to hydrate before and after sauna. And it’s not just water, your body sweats out, but important electrolytes as well. Electrolytes, such as sodium, potassium and magnesium, are essential minerals that play a crucial role in maintaining fluid balance, supporting nerve and muscle function, and regulating our body’s pH levels. To enjoy sauna benefits and leave feeling your best, replenish both water electrolytes .