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Why Is My Sweat Salty?

Updated: Sep 8

Sweat is produced by the eccrine glands, located largely around your armpits, foreheads, the soles of your feet, and the palms of your hands.⁠

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Within watery eccrine sweat fluid are numerous other components, including:⁠

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⚪ Sodium (Na+). This is released to help maintain the sodium balance in your body. It’s what makes your sweat taste salty.⁠

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⚪ Proteins. Nearly 95 different proteins are found in sweat, which help boost your immune system defenses and strengthen your skin.⁠

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⚪ Urea (CH4N2O). This waste product is made by your liver when it processes protein. Urea is released in sweat to keep it from building up to toxic levels.⁠

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⚪ Ammonia (NH3). This waste product is released in sweat when your kidneys can’t filter out all the nitrogen in urea from your liver.⁠

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What you eat and the intensity of your workouts can also affect how much you sweat and how much salt is in your sweat.⁠

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⚫ The more salt you eat, the saltier your sweat tastes. Your body needs to get rid of all that salt somehow. Sweat is your body’s foremost process of salt removal so that it can maintain a healthy weight and blood pressure.⁠

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⚫ The more intensely you exercise, the more salt you lose in your sweat. You lose over three times as much salt in sweat during high-intensity workouts, such as HIIT and endurance sports, as you do during low-intensity workouts⁠


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