Evidence supporting the use of: Sodium chloride
For the body system: Sweat Glands
Synopsis
Source of validity: Scientific
Rating (out of 5): 3
Sodium chloride (NaCl), commonly known as table salt, has a scientifically validated role in supporting the function of sweat glands, though its evidence is moderate rather than overwhelmingly strong. Sweat is primarily composed of water and electrolytes, with sodium chloride being the most abundant electrolyte lost during perspiration. The sweat glands (eccrine glands) secrete sweat to regulate body temperature, and the process inherently involves the loss of sodium and chloride ions. If sodium chloride intake is insufficient, especially during prolonged sweating (e.g., heavy exercise, heat exposure), individuals may experience hyponatremia (low blood sodium), muscle cramps, or impaired thermoregulation. Clinical studies have demonstrated that sodium and chloride replacement is essential in preventing dehydration and maintaining electrolyte balance in athletes and individuals exposed to high temperatures. Oral rehydration solutions, which include sodium chloride, are widely used and recommended by health organizations such as the WHO for rehydration after excessive sweating. However, sodium chloride does not directly "support" the sweat glands themselves in terms of enhancing their function; rather, it replenishes what is lost to maintain systemic balance and prevent adverse effects of deficiency. Overconsumption of sodium chloride, however, is associated with negative health outcomes, so supplementation should be balanced according to individual needs and activity levels.
Other body systems supported by Sodium chloride
BloodCirculatory System
Digestive System
Gastrointestinal Tract
Muscles
Nerves
Sweat Glands