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 300–1000 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




