Nuun

nuun is a brand of hydration products consisting of effervescent electrolyte tablets. The tablets are designed to be dissolved in water to create a lightly flavored, low-calorie beverage intended to aid hydration during exercise and everyday activities. nuun tablets are produced by a U.S.-based company founded in the early 2000s. The product line includes several variants aimed at different needs, such as Nuun Sport, Nuun Energy, Nuun Immunity, Nuun Vitamins, and Nuun All Day. Nuun Sport formulations focus on electrolytes for athletic hydration; Nuun Energy adds caffeine from natural sources; Nuun Immunity and Nuun Vitamins provide vitamins and minerals; Nuun All Day offers a daily hydration option with added nutrients. Some flavors are marketed as gluten-free and vegan, and the company emphasizes lower sugar or sugar-conscious formulations compared with traditional sports drinks.

Ingredients generally include electrolytes such as sodium and potassium, with flavoring agents and a sweetener. Caffeine-containing varieties use caffeine from natural sources. Nuun products are sold in tubes and can be found in many supermarkets, sporting goods retailers, and online stores worldwide.

As a brand, nuun positions itself as a convenient, portable alternative to bottled sports drinks, appealing to runners, cyclists, hikers, and those seeking a lighter hydration option.