How Much Salt Is In Sweat?

How Much Salt Is In Sweat? Sweat typically contains 40-60 mmol/L of sodium, leading to approximately 20-90 mmol of sodium lost in one exercise session with sweat rates of 0.5-1.5 L/h. Reductions in sodium intake of 20-90 mmol/day have been associated with substantial health benefits. Is sweat naturally salty? Within watery eccrine sweat fluid are