Sport Drink Zero Calories is an isotonic drink without energy input, ideal for those athletes who seek to hydrate themselves, without increasing their calorie intake. In addition, it comes in a stick format, comfortable and light so you can carry it with you to dissolve it in your bottle. How to use: Dissolve one stick (3.5 g) in a container of water (500-700ml). Take 1 stick a day during physical exertion. Warnings: (Orange Flavor): E-110: may have negative effects on the activity and attention of children.