If you want to be hydrated during your performance without having to consume any other calories, you do not have to drink only water. With Powerbar 5 Electrolytes you can make your own hypotonic beverage with minimum calories. Unlike water, these soluble tablets contain 5 major minerals (sodium, chloride, potassium, magnesium and calcium) in the same proportion as they evaporate during sweating. Ideal for basic endurance training or to keep hydrated during the exercise without the intake of other carbohydrates and calories. Recommended to use before and during training.