News — runner hydration

Hyponatremia, often called water intoxication, is the silent danger in endurance running. It occurs when a runner drinks too much plain water or low-sodium sports drinks, diluting the vital sodium concentration in the blood—a risk often greater than dehydration itself. The consequences can range from confusion and severe headache to life-threatening cerebral edema.

This comprehensive guide provides The Runner's Anti-Hyponatremia Plan, moving beyond generic advice to scientifically sound, phase-based hydration. Learn how to perform a personalized **sweat rate test**, understand the critical **sodium concentration** needed in your race-day drinks, and implement pre-race strategies to ensure you maintain the delicate balance between fluid and electrolytes, all while supporting your body's energy pathways with foundational nutrients like Vitamin B1 Liquid Drops.