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Electrolyte Loss During Exercise

Sodium, potassium, and magnesium loss per hour of sweat

Electrolyte needs vary dramatically by exercise intensity and individual sweat rate. Athletes can lose 460-1840mg of sodium per liter of sweat. This chart helps you understand your electrolyte replacement needs based on workout intensity and duration.

19 views Published January 12, 2026 Updated about 1 month ago
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// DATA SOURCES

Sports Science: Normative Sweat Data

Meta-analysis of athlete sweat composition

PMC: Sweat Electrolyte Losses

Review of sweating rate and sodium concentration

ACSM Fluid Replacement Position Stand

Exercise and fluid replacement guidelines

Disclaimer: This visualization is for educational and informational purposes only. Data presented here is based on research studies and should not be used as a substitute for professional medical advice. Always consult with a qualified healthcare provider before making health decisions.