The science stuff sorted Our Pre-Workout Tri Active Electrolytes Effervescent Mango flavour tablets complete with added vitamin C have been developed to support hydration, energy and your muscles. Effervescent tablets offer a tasty, on-the-go hydration solution. Having good levels can support your energy and muscle function during exercise. This tasty, mango flavour drink contains vitamin C and magnesium, which contribute to the reduction of tiredness and fatigue and to normal energy-yielding metabolism. Magnesium contributes to normal psychological function, electrolyte balance and to normal muscle function as well. What's inside? Body: 40mg of vitamin C per serving, for normal energy-yielding metabolism and the reduction of tiredness and fatigue Mind & muscle: 125mg of magnesium per serving, to support normal functioning of the nervous system, psychological function, electrolyte balance and normal muscle function