Short Wave Sip or Skip? The Truth About Electrolytes
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Sep 8, 2025 
Pien Huang, an NPR health correspondent, dives into the truth about electrolytes and sports drinks. She reveals that consumers are spending over $10 billion annually on these beverages, but questions if they're really necessary. The conversation touches on the importance of oral rehydration salts for treating dehydration, especially in children, and the body's ability to function without constant electrolyte supplementation. Huang also debunks myths about electrolytes, emphasizing that a balanced diet often suffices for hydration.
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What Electrolytes Actually Are
- Electrolytes are micronutrients like sodium, potassium, magnesium and phosphate that dissolve into charges and enable cell communication.
- You need very small amounts and your body tightly regulates their levels.
Food Beats Drinks For Electrolytes
- Most people get enough electrolytes from a basic balanced diet including fruits, vegetables, meat, and dairy.
- A banana can contain far more potassium than a bottle of Gatorade, showing food often outmatches sports drinks.
Body Flushes Excess Electrolytes
- Extra electrolytes are usually excreted in urine because the body has mechanisms to rid itself of surplus.
- Overconsumption rarely causes acute harm but sodium excess can cause bloating and long-term health risks.