Electrolyte powders
Most people do not need electrolyte drinks: water and normal meals replace what everyday activity loses.
Short answer Most people do not need electrolyte drinks: water and normal meals replace what everyday activity loses. They are useful during long endurance exercise, heavy sweating or illness with fluid loss.
What is in them
Sodium, potassium and often magnesium, sometimes with carbohydrate. Check the sodium if you have high blood pressure.
For illness
Use oral rehydration salts from a pharmacy, which are made to a set formula.
Related pages
- Meal replacement shakesA true meal replacement must meet set rules for calories, protein, vitamins and minerals.
- Whey proteinWhey is a complete, quickly digested protein from milk.
- Vegan protein powderPea, soy, rice and hemp proteins can match whey for muscle when the total protein is equal.
- CreatineCreatine monohydrate at 3g a day increases physical performance in successive bursts of short-term, high-intensity exercise.
Keep exploring
Questions people ask
What should I know about electrolyte powders?
Most people do not need electrolyte drinks: water and normal meals replace what everyday activity loses.
Can I take this with medication?
Ask a pharmacist or GP first; some supplements interact with medicines.
Do supplements replace a balanced diet?
No. They are meant to add to a varied diet, not stand in for one.
Sources
Checked 9 October 2026.