Electrolytes Explained: Do You Really Need Them?
Electrolytes — minerals like sodium, potassium and magnesium — carry electrical charges that power muscle contractions, nerve signals and hydration. They're essential, but the supplement industry often oversells them.
What electrolytes do
- Regulate fluid balance and hydration
- Enable muscle contractions
- Support nerve signalling
- Help maintain blood pressure and pH
Do you need supplements?
For everyday life and short workouts, a balanced diet provides all the electrolytes you need — no special drink required. Supplements become useful during long, intense or very sweaty exercise, or in extreme heat.
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Get them from food first
Whole foods are loaded with electrolytes: bananas and potatoes (potassium), nuts and greens (magnesium), and a normal amount of salt (sodium). Most people don't need engineered electrolyte products.
The takeaway
Electrolytes are vital, but a balanced diet covers most needs. Reserve electrolyte drinks for long, sweaty or intense sessions — otherwise, food and water do the job.
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Track macros, log meals in seconds and follow science-backed plans that fit your body — free on your phone.
