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Electrolytes

Electrolytes are essential minerals — primarily sodium, potassium, and magnesium — that dissolve in body fluids and carry electrical charges necessary for cellular function. They are obtained through food and beverages but are rapidly depleted through sweat, exercise, and diuresis. Electrolyte supplementation has become popular among athletes and health-conscious individuals seeking to optimize hydration beyond what plain water provides.

Research Evidence
Supports neuromuscular function and reduces exercise-related cramping
Strong
Maintains fluid balance and prevents dehydration during exercise
Strong
Supports cognitive clarity and sustained energy levels
Moderate
Improves endurance performance in prolonged or heat-stress exercise
Moderate
May improve blood sugar stability when sodium intake is optimized
Limited

Expert Evidence

77 references from 6 experts

Safety & Cautions

Side Effects

  • Nausea at high doses
  • Bloating or water retention from excess sodium
  • Digestive discomfort
  • Muscle cramps from imbalanced ratios
Electrolyte supplements are generally well-tolerated at recommended doses. Individuals with kidney disease, heart failure, or those taking blood pressure medications should consult a physician before supplementing, as impaired electrolyte excretion can lead to dangerous imbalances.
Pairs Well With