Nuun vs Skratch Labs: sodium, sugar and cost compared
Label data checked . Amounts are per 12 fl oz of finished drink unless a table says otherwise.
Skratch Labs Hydration Sport Drink Mix has 33% more sodium than Nuun Sport per 12 fl oz (300 mg vs 225 mg). Skratch Labs Hydration Sport Drink Mix has 19 times the sugar of Nuun Sport per 12 fl oz (14 g vs 0.8 g). Nuun Sport costs less per liter as mixed ($1.58 vs $2.53 for Skratch Labs Hydration Sport Drink Mix).
Nuun Sport vs Skratch Labs Hydration Sport Drink Mix, side by side
| Nutrient | Nuun Sport | Skratch Labs Hydration Sport Drink Mix |
|---|---|---|
| Format | tablet | powder tub |
| Drink volume | 12 fl oz (355 mL) | 12 fl oz (355 mL) |
| Calories | 11 kcal | 60 kcal |
| Carbohydrate | 3 g | 15 g |
| Sugars | 0.8 g | 14 g |
| Added sugars | 0.8 g | 14 g |
| Sodium | 225 mg | 300 mg |
| Potassium | 113 mg | 38 mg |
| Magnesium | 19 mg | 38 mg |
| Calcium | 9.8 mg | 38 mg |
| Chloride | 30 mg | not on label |
| Caffeine | 0 mg | 0 mg |
| Nutrient | Nuun Sport | Skratch Labs Hydration Sport Drink Mix |
|---|---|---|
| Format | tablet | powder tub |
| Drink volume | 1 liter (33.8 fl oz) | 1 liter (33.8 fl oz) |
| Calories | 32 kcal | 169 kcal |
| Carbohydrate | 8.5 g | 42 g |
| Sugars | 2.1 g | 40 g |
| Added sugars | 2.1 g | 40 g |
| Sodium | 634 mg | 846 mg |
| Potassium | 317 mg | 106 mg |
| Magnesium | 53 mg | 106 mg |
| Calcium | 27 mg | 106 mg |
| Chloride | 85 mg | not on label |
| Caffeine | 0 mg | 0 mg |
| Nutrient | Nuun Sport | Skratch Labs Hydration Sport Drink Mix |
|---|---|---|
| Format | tablet | powder tub |
| Drink volume | 16 fl oz (473 mL) | 16 fl oz (473 mL) |
| Calories | 15 kcal | 80 kcal |
| Carbohydrate | 4 g | 20 g |
| Sugars | 1 g | 19 g |
| Added sugars | 1 g | 19 g |
| Sodium | 300 mg | 400 mg |
| Potassium | 150 mg | 50 mg |
| Magnesium | 25 mg | 50 mg |
| Calcium | 13 mg | 50 mg |
| Chloride | 40 mg | not on label |
| Caffeine | 0 mg | 0 mg |
Shaded cells mark more electrolytes, or less sugar and fewer calories. Carbohydrate and caffeine are not marked, since more or less depends on your use.
Nuun Sport label checked . Source (opens in a new tab)
Skratch Labs Hydration Sport Drink Mix label checked . Source (opens in a new tab)
Nuun is owned by Nestlé Health Science.
Sodium per liter
Sweat carries about 230 to 1,610 mg of sodium per liter[1]. Both gauges use the same scale, so the markers line up.
Cost per serving and per 1,000 mg sodium
| Measure | Nuun Sport | Skratch Labs Hydration Sport Drink Mix |
|---|---|---|
| Price checked | $7.49 for 1 tube, 10 tablets | $23.95 for Resealable bag, 20 servings (440 g) |
| Cost per serving | $0.75 | $1.20 |
| Cost per liter | $1.58 | $2.53 |
| Cost per 1,000 mg sodium | $2.50 | $2.99 |
Nuun Sport price checked at Nuun . Source (opens in a new tab)
Skratch Labs Hydration Sport Drink Mix price checked at Skratch Labs . Source (opens in a new tab)
Sugar, sweeteners and caffeine
- Sugar from dextrose. Sweetened with stevia.
- Some Nuun Sport flavors have caffeine (up to 40 mg per serving); the others have none.
- 0.8% carbohydrate as mixed, which we estimate as hypotonic.
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)
- Sugar from cane sugar and dextrose. No low-calorie sweeteners listed.
- Some Skratch Labs Hydration Sport Drink Mix flavors have caffeine (up to 50 mg per serving); the others have none.
- 4.2% carbohydrate as mixed, which we estimate as hypotonic.
Ingredients
Cane Sugar, Sodium Citrate, Dextrose, Citric Acid, Calcium Citrate, Magnesium Carbonate, Potassium Citrate, Lemon Oil, Lime Oil, Lemon Juice, Lime Juice, Ascorbic Acid (Vitamin C).
Which to pick
Each reason below is a measured difference in the label data.
Pick Nuun if
- you want less sugar: 0.8 g vs 14 g per 12 fl oz
- you want more potassium: 113 mg vs 38 mg per 12 fl oz
- you want the lower cost per liter: $1.58 vs $2.53
- you want the cheapest sodium: $2.50 vs $2.99 per 1,000 mg
Pick Skratch Labs if
- you want more sodium: 300 mg vs 225 mg per 12 fl oz
- you want carbohydrate for energy during long sessions: 15 g vs 3 g per 12 fl oz
- you want more magnesium: 38 mg vs 19 mg per 12 fl oz
Where to buy
Some links on this page are affiliate links. We may earn a commission if you buy, and it never changes the data or rankings. Affiliate disclosure.
Nuun Sport
Other Nuun vs Skratch Labs matchups
Nuun Sport Powder vs Skratch Labs Hydration Sport Drink Mix
Skratch Labs Hydration Sport Drink Mix has 33% more sodium than Nuun Sport Powder per 12 fl oz (300 mg vs 225 mg). Skratch Labs Hydration Sport Drink Mix has 19 times the sugar of Nuun Sport Powder per 12 fl oz (14 g vs 0.8 g).
| Per 12 fl oz | Nuun Sport Powder | Skratch Labs Hydration Sport Drink Mix |
|---|---|---|
| Sodium | 225 mg | 300 mg |
| Potassium | 113 mg | 38 mg |
| Magnesium | 19 mg | 38 mg |
| Carbohydrate | 1.5 g | 15 g |
| Sugars | 0.8 g | 14 g |
| Calories | 8 kcal | 60 kcal |
| Cost per liter | $3.17 | $2.53 |
Nuun Sport Powder label checked . Source (opens in a new tab)
Skratch Labs Hydration Sport Drink Mix label checked . Source (opens in a new tab)
Nuun Sport Powder price checked at Nuun . Source (opens in a new tab)
Skratch Labs Hydration Sport Drink Mix price checked at Skratch Labs . Source (opens in a new tab)
What the data can't tell you
- How they taste. We compare labels, not flavor.
- What they cost near you today. We checked Nuun Sport at Nuun on Sep 24, 2026 and Skratch Labs Hydration Sport Drink Mix at Skratch Labs on Sep 24, 2026.
- How much sodium you lose. That depends on your sweat; the sweat rate calculator gives an estimate.
- Every flavor. Skratch Labs Hydration Sport Drink Mix lists different values for some flavors; this page uses the main label.
- Older records. The USDA food database has older figures for Nuun Sport that differ by more than 10%. We use the current label.
FAQ
Which has more electrolytes, Nuun or Skratch Labs?
Per 12 fl oz, Nuun Sport has 225 mg sodium, 113 mg potassium and 19 mg magnesium. Skratch Labs Hydration Sport Drink Mix has 300 mg sodium, 38 mg potassium and 38 mg magnesium. Per liter that is 634 mg vs 846 mg sodium.
Does Nuun or Skratch Labs have more sugar?
Nuun Sport: 0.8 g sugar and 11 kcal per 12 fl oz, sweetened with stevia. Skratch Labs Hydration Sport Drink Mix: 14 g sugar and 60 kcal per 12 fl oz, no low-calorie sweeteners listed.
Which is cheaper, Nuun or Skratch Labs?
Nuun Sport worked out at $0.75 a serving, $1.58 a liter and $2.50 per 1,000 mg sodium (1 tube, 10 tablets at Nuun, checked Sep 24, 2026). Skratch Labs Hydration Sport Drink Mix worked out at $1.20 a serving, $2.53 a liter and $2.99 per 1,000 mg sodium (Resealable bag, 20 servings (440 g) at Skratch Labs, checked Sep 24, 2026). Prices change often, so treat these as a snapshot.
How does Nuun Sport Powder compare with Skratch Labs Hydration Sport Drink Mix?
Skratch Labs Hydration Sport Drink Mix has 33% more sodium than Nuun Sport Powder per 12 fl oz (300 mg vs 225 mg). Skratch Labs Hydration Sport Drink Mix has 19 times the sugar of Nuun Sport Powder per 12 fl oz (14 g vs 0.8 g). Per liter as mixed, Nuun Sport Powder costs $3.17 and Skratch Labs Hydration Sport Drink Mix costs $2.53.
Does Nuun or Skratch Labs have caffeine?
Some Nuun Sport flavors have caffeine (up to 40 mg per serving); the others have none. Some Skratch Labs Hydration Sport Drink Mix flavors have caffeine (up to 50 mg per serving); the others have none.