All Glossary Terms
Nutrition

Electrolytes

Minerals that carry electrical charges and regulate body functions.

Updated

Electrolytes are minerals including sodium, potassium, magnesium, calcium, and chloride that dissolve in body fluids and carry electrical charges. They regulate fluid balance, muscle contractions, nerve function, and pH. Electrolytes are lost through sweat and need replacement during prolonged exercise or in hot conditions.

Examples

  • Sodium, potassium, magnesium
  • Lost in sweat
  • Important for muscle function

Common questions

What is Electrolytes?

Minerals that carry electrical charges and regulate body functions. Electrolytes are minerals including sodium, potassium, magnesium, calcium, and chloride that dissolve in body fluids and carry electrical charges.

What are examples of Electrolytes?

Sodium, potassium, magnesium; Lost in sweat; Important for muscle function.

Put it into practice

Macro Tracking Masterclass · £12

Set your calories and macros, track them accurately, and fix a stall: a 3-page guide plus an Excel calculator

Explore More Terms

Browse our complete fitness glossary with 266 terms.

View All Terms