ZERO X'treme is an award-winning electrolyte sports drink tab with caffeine. It produces a clean tasting and highly refreshing drink with zero calories. The tabs contain light natural flavours with no artificial colours or preservatives. Used by athletes before and during exercise, caffeine helps improve attention, concentration and reaction time. Vitamin C in ZERO X'treme supports a healthy immune system, protects the cells from oxidative stress and contributes to the reduction of tiredness and fatigue. Magnesium in ZERO X'treme contributes to electrolyte balance, reduces tiredness and fatigue, whilst supporting muscle protein synthesis. Simply drop a tab into your re-usable sports bottle and watch it rapidly dissolve. The 20 tab tube makes up to 10 litres of drink, so it's great value for money. With minimal packaging, ZERO X'treme is also environmentally friendly and easy to keep with you. Features: Light & refreshing sports drink with caffeine With Vitamin C and 5 electrolytes, including sodium, magnesium and potassium Zero calories Suitable for a wide range of sporting activities With natural flavours. No artificial colours or preservatives. Suitable for vegetarians and vegans ZERO X'treme is an award-winning electrolyte sports drink tab with caffeine. It produces a clean tasting and highly refreshing drink with zero calories. The tabs contain light natural flavours with no artificial colours or preservatives. Used by athletes before and during exercise, caffeine helps improve attention, concentration and reaction time. Vitamin C in ZERO X'treme supports a healthy immune system, protects the cells from oxidative stress and contributes to the reduction of tiredness and fatigue. Magnesium in ZERO X'treme contributes to electrolyte balance, reduces tiredness and fatigue, whilst supporting muscle protein synthesis. Simply drop a tab into your re-usable sports bottle and watch it rapidly dissolve. The 20 tab tube makes up to 10 litres of drink, so it's great value for money. With minimal packaging, ZERO X'treme is also environmentally friendly and easy to keep with you. Features: Light & refreshing sports drink with caffeine With Vitamin C and 5 electrolytes, including sodium, magnesium and potassium Zero calories Suitable for a wide range of sporting activities With natural flavours. No artificial colours or preservatives. Suitable for vegetarians and vegans