Zero Hydration (single tube) Tropical High 5 Zero Hydration (single tube) Low Carb, Anti Cramp, + MagnesiumDrop a fizzy tablet of Zero into your drink bottle. It makes a great tasting carbohydrate and sugar free drink packed with electrolytes to provide optimal hydration and help prevent cramp.1 tube makes 10 litres (1 tablet = 1 500ml serving) The X'treme flavours contain Caffeine. ZERO X'treme is easy to use, drop a tablet in your bottle and it quickly dissolves in water to give you a delicious, refreshing, advanced electrolyte drink with added magnesium and stimulants. The small recyclable tube contains 20 tablets and makes 10 litres of drink in your own reusable sports bottle, which means optimal hydration and stimulation with less waste so its great for the environment. ZERO X'treme can be an essential part of your anti cramp strategy as cramp has been linked to both dehydration and electrolyte imbalance. X'treme contains; sodium, potassium, magnesium and calcium. ZERO X'treme is perfect for runners, cyclists, hikers, the gym, pro athletes, footballers, racket sports or anyone who wants to stay active, alert, focused and hydrated.