Designed to keep you hydrated wherever your active lifestyle takes you. nuun electrolytes are packed with optimal electrolytes, contains clean ingredients, and is low in calories and sugar. gluten-free – vegan. one tube of Nuun electrolytes contains 10 tablets. each tablet makes one 16oz / 500ml sports drink. nuun hydrates better than water alone - Nuun electrolyte tablets have the same great electrolyte profile that has kept you hydrated for years, but our water enhancer now also includes better performance: the addition of non-GMO sourced dextrose helps the body to absorb fluids more efficiently while still containing 1g sugar or less. Clean ingredients: we used plant-based sweeteners and ingredients to increase health benefits gluten-free, dairy + soy free, safe for clean sport certifications.