BioStacks

Best Sodium for Hydration

Top 6 products ranked

Last reviewed May 2026

Clinical dose: 300–1000 mg

Why Sodium for Hydration

Sodium plays a key role in hydration. Primary extracellular electrolyte that regulates fluid balance, blood pressure, and nerve signaling. Most people far exceed the 1,500 mg/day adequate intake through processed foods.

What dose to look for

Clinical studies typically use 3001000 mg of sodium. Supplemental range for electrolyte/hydration products. WHO ORS provides ~720mg/L. Commercial products range 200–1000mg/serving. Products below this range may not deliver meaningful results.

What the research says

Sodium has strong clinical evidence for hydration benefits. Essential electrolyte for fluid balance and nerve signaling; most research focuses on health risks of excess intake