Evidence supporting the use of: Salt (sea)
For the health condition: Hypotension

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Synopsis

Source of validity: Scientific
Rating (out of 5): 4

Sea salt (or sodium chloride in general) is scientifically validated as a supportive measure in the management of hypotension (low blood pressure). Hypotension can lead to symptoms such as dizziness, fainting, and fatigue due to inadequate perfusion of organs. Sodium plays a key role in fluid balance and blood pressure regulation. Increasing sodium intake increases extracellular fluid volume, which can elevate blood pressure. This principle is utilized in medical practice, particularly for patients with conditions like orthostatic hypotension or certain types of autonomic dysfunction.

The evidence supporting this intervention is robust, especially in clinical guidelines for managing chronic hypotension. For instance, the American Autonomic Society suggests increased salt and fluid intake as first-line non-pharmacological therapy for patients with neurogenic orthostatic hypotension. Randomized controlled trials and observational studies have shown that increased sodium intake raises plasma volume and can improve blood pressure in these patients.

It is important to note that while both sea salt and regular table salt provide sodium, there is no unique property of sea salt over table salt for this purpose; the effect is due to sodium, not the source. Excessive sodium intake, however, can have adverse effects and should be monitored, especially in those with heart or kidney disease. Nevertheless, the use of salt to support and manage hypotension is grounded in scientific evidence and established clinical practice.

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