nuun Sport effervescent tablets provide a great balance of ingredients for an easy and tasty way to replenish the minerals you loose while sweating and provide optimal hydration during and after (even before) your adventures. Made with clean, plant based, gluten-, dairy- and soy-free ingredients, each tube contains 10 tablets, each of which makes one 475ml sports drink packed with optimal electrolytes to help you to absorb fluids and nutrients faster. Low in calories and sugar.