PURE Electrolyte Hydration is a premium natural isotonic electrolyte drink base using real freeze dried fruit, carbohydrates and electrolytes. It is best used during exercising periods over one hour or high-intensity exercise sessions. Contains the electrolytes, sodium, potassium, magnesium and calcium 5% carbohydrate content Each 500g resealable pouch makes 9 litres, Not sickly sweet or over flavoured Gut friendly formulation