Take one gel every 20 minutes during exercise.Safety WarningEnjoy as part of a varied and balanced diet and a healthy lifestyle. Magnesium contributes to electrolyte balance. Clean Energy for Mindful Athletes and Amateurs - Trust in the health-conscious formula of HIGH5 Electrolyte Gel: Natural fruit juice-based with added Sodium, Potassium, Magnesium, and Chloride - Free from artificial sweeteners, colourings or caffeine.