Nuun Vitamin Tabs. Features: Delivers 11 vitamins and minerals while also providing electrolytes in an easy to mix format. Vitamins provided include: A, C, D, E, B6, Calcium, Magnesium, Chloride, Sodium, and Potassium Only 3g of carbs per serving due to being sweetened by Stevia leaf extract Comes in a water resistant lightweight tube (12 tabs per tube) One concentrated tab makes 16oz Select flavors with 40mg of caffeine Gluten free, vegan, soy and dairy free, and non-GMO NU-3020 is a mixed tube 4 pack of Vitamin flavors Specs: Flavor:grapefruit orange Caffeinated:no Package:8 tubes/box