High5 Zero is a refreshing sugar free electrolyte drink with zero calories that makes it simple and easy to stay hydrated. When you sweat, you lose vital minerals so it's important that they are replenished. With key electrolytes, sodium and magnesium, Zero gives you what water can't.Simply drop a tab into your re-usable sports bottle and watch it rapidly dissolve. The 20 tab tube makes up to 15 litres of drink, so it's great value for money. With minimal packaging, ZERO is environmentally friendly and easy to keep with you. The easy-break tabs mean that you can choose your ideal drink strength.