<p>ZERO is the new electrolyte drink from High5; its virtually calorie free, has a light refreshing taste and contains essential electrolytes. <p>Zero 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. The small recyclable tube contains 20 tablets and makes 15 litres of drink in your own reusable sports bottle, which means optimal hydration with less waste so its good for the environment too. Zero contains; sodium, potassium, magnesium and calcium. Zero is perfect for runners, cyclists, hikers, the gym, pro athletes, footballers, racket sports or anyone who wants to stay active and hydrated.