Refreshing effervescent tablets with electrolytes and vitamins in a ZERO SUGAR, zero calories, low carb formulation. HydraFit> ZERO has been developed, together with professional cycling teams, in order to support electrolyte balance during exercise. Vitamins B1, B2, B6 contribute to reduce fatigue and support energy-yielding metabolism. Magnesium and Potassium contribute to the normal muscle function.