Roll Call

“Salt (unspecified)?”Here!table salt

Mineral

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As a supplement

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A generic label term for sodium chloride, the same mineral compound found in ordinary table salt, sometimes listed without further specification on a supplement panel.

Why it’s used

Included in electrolyte formulas and hydration products to supply sodium and chloride, which the body needs for fluid balance and nerve and muscle function.

What the evidence is for

maintaining fluid and electrolyte balance.

What the evidence says

The cited National Academies report describes sodium's basic physiological role in regulating extracellular fluid volume and plasma osmolality, a well-established function supported by decades of physiology research summarized in this consensus document. The report notes that approximately 95 percent of body sodium is extracellular and that sodium, together with chloride, is a critical determinant of cellular membrane potential and fluid balance. This is foundational human physiology rather than a supplement-specific clinical trial finding, and the document does not test sodium chloride as a discrete supplement product.

Context

Dietary reference values for sodium and chloride are set by bodies such as the U.S. National Academies based on requirements for fluid and electrolyte balance, not on supplement-specific trials.

Rumors

  1. Maintaining fluid and electrolyte balance.

    Sources cited — check not cleared.

    Measured as a biomarker.