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HFL Health Findings Lab

Sodium

A critical extracellular electrolyte responsible for hydration, nerve function, and preventing muscle cramps.

Evidence-Based
Fact-Checked
Updated: Aug 26, 2026
Clinical Profile

Sodium is the primary electrolyte lost in sweat. It is vital for maintaining fluid balance, blood pressure, and optimal muscle contraction. In sports nutrition, adequate sodium replacement is essential to prevent hyponatremia and exercise-associated muscle cramping.

Clinical Summary

Overwhelming clinical consensus on its necessity during prolonged exertion (over 1 hour) or in high-heat environments.

Dosage Guidelines

300mg to 1000mg per hour of intense exercise, depending on individual sweat rates.

Safety & Side Effects

Excessive intake without water can lead to hypernatremia (dehydration).

Known Interactions

Can interact with blood pressure medications and diuretics.

Scientific References

Medical Disclaimer

The information provided in this clinical review is for educational and informational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment.

*These statements have not been evaluated by the Food and Drug Administration (FDA). This product or ingredient is not intended to diagnose, treat, cure, or prevent any disease.

Always consult your physician or other qualified health provider with any questions you may have regarding a medical condition, or before beginning any new diet, fitness, supplement, or treatment regimen, especially if you have pre-existing medical conditions or are taking prescribed medications.

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