Electrolytes (Sodium, Potassium, Magnesium)

Energy & sports performance

Function & benefits

A mix of sodium, potassium, magnesium and chloride; magnesium contributes to electrolyte balance and potassium to normal muscle function (EFSA-authorised claims), and the American College of Sports Medicine advises replacing fluid and salts after heavy sweating.

Dosage & how to use

Recommended dose	One sachet or scoop dissolved in 500–750 ml of water
Best time to take	During long fasts, or during and after training with heavy sweating
Frequency	1–2 times daily as needed

Best forms to choose

Sugar-free electrolyte sachets, effervescent tablets or powder.

Important warnings

If you have kidney failure or high blood pressure, consult your doctor before taking extra sodium and potassium

Do not exceed the amount recommended on the pack

Drug interactions

Important warning: use with care alongside ACE inhibitors, angiotensin receptor blockers, potassium-sparing diuretics and lithium.

View in the supplements guide

Related supplements

Scientific references

American College of Sports Medicine. Med Sci Sports Exerc 2007 (exercise and fluid replacement) — PMID: 17277604
EFSA Journal 2010;8(2):1469 (potassium health claims)

📚 Published sources and research: European Food Safety Authority (EFSA) • National Institutes of Health (NIH - ODS) • PubMed / Cochrane databases

Content last updated: 17 October 2026 · Based on published sources and research (EFSA / NIH / PubMed)

⚖️ Medical disclaimer: The information and data provided here are for health education and nutritional guidance only. They are not a medical diagnosis and never replace a direct consultation with your doctor or pharmacist. Always consult your doctor before starting any supplement, especially during pregnancy or breastfeeding or when taking long-term medication.