Nuun Sport
Nuun Sport has 300 mg sodium and 1 g sugar per tablet mixed with 16 fl oz (473 mL) of water. That works out to 634 mg sodium per liter as mixed, with 0.8% carbohydrate, which is in our moderate sodium band. A 12 fl oz glass has 11 kcal.
- Contains sugar
- Low calorie
- Caffeine in some flavors
- No artificial sweeteners
- Other sweeteners: stevia
- Keto friendly by our rule
- Hypotonic (estimate)
Keto friendly here means 5 g total carbs or less per serving in every flavor. Tonicity is estimated from carbohydrate concentration alone. How we define these.

- Sodium per liter
- 634 mg
- Sugar per 12 fl oz
- 0.8 g
- Calories per 12 fl oz
- 11 kcal
- Caffeine per serving
- 0 to 40 mg
- Cost per serving
- $0.75
Nutrition facts
Label values scaled to a common volume. "Not on label" means the label we checked does not list it.
| Nutrient | Per label serving | Per 12 fl oz | Per liter |
|---|---|---|---|
| Calories | 15 kcal | 11 kcal | 32 kcal |
| Total carbohydrate | 4 g | 3 g | 8.5 g |
| Total sugars | 1 g | 0.8 g | 2.1 g |
| Added sugars | 1 g | 0.8 g | 2.1 g |
| Sodium | 300 mg | 225 mg | 634 mg |
| Potassium | 150 mg | 113 mg | 317 mg |
| Magnesium | 25 mg | 19 mg | 53 mg |
| Calcium | 13 mg | 9.8 mg | 27 mg |
| Chloride | 40 mg | 30 mg | 85 mg |
| Caffeine | 0 mg | 0 mg | 0 mg |
| Carbohydrate concentration | 0.8% (g per 100 ml) | ||
| Sodium to potassium ratio | 2 to 1 by weight | ||
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Serving and mixing
- Label serving
- 1 tablet (5g)
- Finished drink per serving
- 16 fl oz (473 mL)
- Servings per container
- 10
- How to mix
- 1 tablet in 16 fl oz (473 ml) water. +Caffeine panels state 16 fl oz / 475 ml prepared.
Flavors
- Strawberry Lemonade
- Citrus Fruit
- Watermelon
- Fruit Punch
- Grape
- Lemon Lime
- Orange
- Tri-Berry
- Tropical
- Peach
- Cherry Limeade + Caffeine
- Fresh Lime + Caffeine
- Mango Orange + Caffeine
- Wild Berry + Caffeine
- Kona Cola + Caffeine
Flavors with a different label
- Cherry Limeade + Caffeine: Caffeine 40 mg (other flavors 0 mg).
- Fresh Lime + Caffeine: Caffeine 40 mg (other flavors 0 mg).
- Mango Orange + Caffeine: Caffeine 40 mg (other flavors 0 mg).
- Wild Berry + Caffeine: Caffeine 40 mg (other flavors 0 mg).
- Kona Cola + Caffeine: Caffeine 40 mg (other flavors 0 mg).
The tables above use the main label panel.
Ingredients
Citric Acid, Dextrose, Sodium Bicarbonate, Potassium Bicarbonate, Sodium Carbonate, And Less Than 2% Of Natural Flavor, Potassium Chloride, Magnesium Oxide, Calcium Carbonate, Stevia Leaf Extract, Avocado Oil, Beet Juice (For Color)
Closest alternatives
The nearest products by sodium per liter, carb % and format. Other brands come first.
- Sodium per liter, GU Hydration Drink Tabs: 677 mg/L, in the Moderate band (230 to 920 mg/L). Scale 0 to 2,500 mg/L.
GU Hydration Drink TabsGU Energy Labs · Tablet677 mg sodium per liter (this one: 634), 0.6% carbs (this one: 0.8%), same format.
- Sodium per liter, Precision Fuel & Hydration PH 500 Electrolyte Tablets: 529 mg/L, in the Moderate band (230 to 920 mg/L). Scale 0 to 2,500 mg/L.
Precision Fuel & Hydration PH 500 Electrolyte TabletsPrecision Fuel & Hydration · Tablet529 mg sodium per liter (this one: 634), 0.6% carbs (this one: 0.8%), same format.
- Sodium per liter, Pedialyte Electrolyte Drink Mix Zero Sugar: 698 mg/L, in the Moderate band (230 to 920 mg/L). Scale 0 to 2,500 mg/L.
Pedialyte Electrolyte Drink Mix Zero SugarPedialyte · Powder stick698 mg sodium per liter (this one: 634), 0.4% carbs (this one: 0.8%), powder stick.
- Sodium per liter, UCAN Hydrate Electrolyte Drink Mix: 655 mg/L, in the Moderate band (230 to 920 mg/L). Scale 0 to 2,500 mg/L.
UCAN Hydrate Electrolyte Drink MixUCAN · Powder tub655 mg sodium per liter (this one: 634), 0% carbs (this one: 0.8%), powder tub.
Compared in
Where this data comes from
Nutrition values come from the brand's published nutrition facts. We compared the label with USDA FoodData Central record 1912103. At least one value differs by more than 10%. We show the label values and have flagged the gap for review. See the Nuun product page (opens in a new tab) for current packaging.
Label checked . Source (opens in a new tab)
Spot an error or a label change? Tell us and we will recheck it. See the methodology for how we collect and convert label data.
FAQ
How much sodium is in Nuun Sport?
Nuun Sport has 300 mg sodium per tablet mixed with 16 fl oz (473 mL) of water. That is 225 mg per 12 fl oz and 634 mg per liter, which puts it in our moderate sodium band.
Does Nuun Sport have caffeine?
Some flavors do. These have caffeine per serving: Cherry Limeade + Caffeine (40 mg), Fresh Lime + Caffeine (40 mg), Mango Orange + Caffeine (40 mg), Wild Berry + Caffeine (40 mg) and Kona Cola + Caffeine (40 mg). The other flavors list 0 mg.
Is Nuun Sport sugar-free?
No. Nuun Sport has 1 g sugar per serving, or 0.8 g per 12 fl oz. It also contains stevia.
How much does Nuun Sport cost per serving?
About $0.75 per serving, based on $7.49 for 1 tube, 10 tablets at Nuun on Sep 24, 2026. That is $2.50 per 1,000 mg sodium. Prices change often, so check the retailer.
How many calories are in Nuun Sport?
Nuun Sport has 15 kcal per serving, or 11 kcal per 12 fl oz. Carbohydrate is 4 g per serving.