Blood pressure

Sodium

Higher sodium intake raises blood pressure on average; reducing intake can lower it.

strong evidence

Direction: increase

Magnitude: unknown

Human evidence reviewed

Study context

Population: Adults

Studied dose: Varies or not established

Duration: Varies across reviewed studies

Last reviewed: 2026-09-16

Limitations & caveats

  • This is about habitual intake, not a single serving.

Sources

Reducing sodium intake to reduce blood pressure and cardiovascular riskExpert or government fact sheet · World Health Organization · supportsOpen ↗

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