VALUABLE ACTIVE INGREDIENT COMPLEX: Our SiS electrolyte tablets maintain electrolyte balance with a complex of minerals and vitamins, making them ideal for anyone engaged in moderate to intense physical activity FOR NERVES AND MUSCLES: Electrolytes such as potassium, magnesium, and calcium contribute to normal muscle function. Potassium and magnesium also play a vital role in the normal functioning of the nervous system OPTIMAL HYDRATION FOR PEAK PERFORMANCE: With their carefully balanced sodium concentration, the electrolyte tablets promote hydration. A well-regulated water balance helps the body to feel ready for training VEGAN & GLUTEN-FREE: Made from high-quality ingredients, these electrolyte sport tablets are available in 6 flavors, are vegan and gluten-free, and contain no GMOs SIS SCIENCE IN SPORT: Science in Sport is a pioneer in sports nutrition. Since 1992, we have collaborated with research institutes, elite athletes, and sports scientists