Exercise hydration

Sodium

Sodium replacement needs during prolonged exercise depend on sweat loss and conditions.

limited evidence

Direction: unknown

Magnitude: unknown

Human evidence reviewed

Study context

Population: People doing prolonged exercise

Studied dose: Varies or not established

Duration: Varies across reviewed studies

Last reviewed: 2026-09-16

Limitations & caveats

  • A packaged serving does not determine individual need.

Sources

NIH ODS: Dietary Supplements for Exercise and Athletic PerformanceExpert or government fact sheet · NIH Office of Dietary Supplements · supportsOpen ↗

Source type and claim strength are separate. A fact sheet summarizes underlying research; its link is not an individual clinical trial.