sodium correction

Do You Lose Sodium When You Sweat?

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Do You Lose Sodium When You 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. How do you feel when your sodium is low?