Tailwind 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.
Tailwind Endurance Fuel has 24% more sodium than Skratch Labs Hydration Sport Drink Mix per 12 fl oz (372 mg vs 300 mg). Tailwind Endurance Fuel has 2.1 times the sugar of Skratch Labs Hydration Sport Drink Mix per 12 fl oz (30 g vs 14 g). Skratch Labs Hydration Sport Drink Mix costs less per liter as mixed ($2.53 vs $3.49 for Tailwind Endurance Fuel).
Tailwind Endurance Fuel vs Skratch Labs Hydration Sport Drink Mix, side by side
Serving sizes differ. Tailwind Endurance Fuel's label is for one scoop serving in 10 fl oz (296 mL) of water; Skratch Labs Hydration Sport Drink Mix's is for one scoop serving in 16 fl oz (473 mL) of water. The per-serving numbers on the two labels can't be compared directly, so this page converts both to 12 fl oz and 1 liter of finished drink.
| Nutrient | Tailwind Endurance Fuel | Skratch Labs Hydration Sport Drink Mix |
|---|---|---|
| Format | powder tub | powder tub |
| Drink volume | 12 fl oz (355 mL) | 12 fl oz (355 mL) |
| Calories | 120 kcal | 60 kcal |
| Carbohydrate | 30 g | 15 g |
| Sugars | 30 g | 14 g |
| Added sugars | 30 g | 14 g |
| Sodium | 372 mg | 300 mg |
| Potassium | 108 mg | 38 mg |
| Magnesium | 14 mg | 38 mg |
| Calcium | 32 mg | 38 mg |
| Caffeine | 0 mg | 0 mg |
| Nutrient | Tailwind Endurance Fuel | Skratch Labs Hydration Sport Drink Mix |
|---|---|---|
| Format | powder tub | powder tub |
| Drink volume | 1 liter (33.8 fl oz) | 1 liter (33.8 fl oz) |
| Calories | 338 kcal | 169 kcal |
| Carbohydrate | 84 g | 42 g |
| Sugars | 84 g | 40 g |
| Added sugars | 84 g | 40 g |
| Sodium | 1,047 mg | 846 mg |
| Potassium | 304 mg | 106 mg |
| Magnesium | 41 mg | 106 mg |
| Calcium | 91 mg | 106 mg |
| Caffeine | 0 mg | 0 mg |
| Nutrient | Tailwind Endurance Fuel | Skratch Labs Hydration Sport Drink Mix |
|---|---|---|
| Format | powder tub | powder tub |
| Drink volume | 10 fl oz (296 mL) | 16 fl oz (473 mL) |
| Calories | 100 kcal | 80 kcal |
| Carbohydrate | 25 g | 20 g |
| Sugars | 25 g | 19 g |
| Added sugars | 25 g | 19 g |
| Sodium | 310 mg | 400 mg |
| Potassium | 90 mg | 50 mg |
| Magnesium | 12 mg | 50 mg |
| Calcium | 27 mg | 50 mg |
| 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. Neither label lists chloride.
Tailwind Endurance Fuel label checked . Source (opens in a new tab)
Skratch Labs Hydration Sport Drink Mix label checked . Source (opens in a new tab)
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 | Tailwind Endurance Fuel | Skratch Labs Hydration Sport Drink Mix |
|---|---|---|
| Price checked | $30.99 for 30-serving bag | $23.95 for Resealable bag, 20 servings (440 g) |
| Cost per serving | $1.03 | $1.20 |
| Cost per liter | $3.49 | $2.53 |
| Cost per 1,000 mg sodium | $3.33 | $2.99 |
Tailwind Endurance Fuel price checked at Tailwind Nutrition . 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 and sucrose. No low-calorie sweeteners listed.
- Some Tailwind Endurance Fuel flavors have caffeine (up to 35 mg per serving); the others have none.
- 8.4% carbohydrate as mixed, which we estimate as hypertonic.
Ingredients
Dextrose (Glucose)*, Sucrose*, Citric Acid, Sodium Citrate, Sea Salt, Potassium Chloride, Organic Mandarin Orange, Calcium Carbonate, Magnesium Oxide. *Non-GMO
- 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 Tailwind if
- you want more sodium: 372 mg vs 300 mg per 12 fl oz
- you want more potassium: 108 mg vs 38 mg per 12 fl oz
Pick Skratch Labs if
- you want less sugar: 14 g vs 30 g per 12 fl oz
- you want more magnesium: 38 mg vs 14 mg per 12 fl oz
- you want the lower cost per liter: $2.53 vs $3.49
- you want the cheapest sodium: $2.99 vs $3.33 per 1,000 mg
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.

Tailwind Endurance Fuel
Full Tailwind Endurance Fuel labelAll Tailwind Nutrition drinks
Other Tailwind vs Skratch Labs matchups
Tailwind Rapid Hydration vs Skratch Labs Hydration Sport Drink Mix
Skratch Labs Hydration Sport Drink Mix has 25% more sodium than Tailwind Rapid Hydration per 12 fl oz (300 mg vs 240 mg). Skratch Labs Hydration Sport Drink Mix has 90% more sugar than Tailwind Rapid Hydration per 12 fl oz (14 g vs 7.5 g).
| Per 12 fl oz | Tailwind Rapid Hydration | Skratch Labs Hydration Sport Drink Mix |
|---|---|---|
| Sodium | 240 mg | 300 mg |
| Potassium | 68 mg | 38 mg |
| Magnesium | 7.5 mg | 38 mg |
| Carbohydrate | 9 g | 15 g |
| Sugars | 7.5 g | 14 g |
| Calories | 34 kcal | 60 kcal |
| Cost per liter | $2.54 | $2.53 |
Tailwind Rapid Hydration label checked . Source (opens in a new tab)
Skratch Labs Hydration Sport Drink Mix label checked . Source (opens in a new tab)
Tailwind Rapid Hydration price checked at Tailwind Nutrition . Source (opens in a new tab)
Skratch Labs Hydration Sport Drink Mix price checked at Skratch Labs . Source (opens in a new tab)
Tailwind Endurance Fuel vs Skratch Labs Super High-Carb Sport Drink Mix
Tailwind Endurance Fuel has 24% more sodium than Skratch Labs Super High-Carb Sport Drink Mix per 12 fl oz (372 mg vs 299 mg). Tailwind Endurance Fuel has 5 times the sugar of Skratch Labs Super High-Carb Sport Drink Mix per 12 fl oz (30 g vs 6 g).
Tailwind Endurance Fuel's label is for one scoop serving in 10 fl oz (296 mL) of water; Skratch Labs Super High-Carb Sport Drink Mix's is for one scoop serving in 8 fl oz (237 mL) of water. The table converts both to 12 fl oz.
| Per 12 fl oz | Tailwind Endurance Fuel | Skratch Labs Super High-Carb Sport Drink Mix |
|---|---|---|
| Sodium | 372 mg | 299 mg |
| Potassium | 108 mg | 0 mg |
| Magnesium | 14 mg | not on label |
| Carbohydrate | 30 g | 75 g |
| Sugars | 30 g | 6 g |
| Calories | 120 kcal | 299 kcal |
| Cost per liter | $3.49 | $11.06 |
Tailwind Endurance Fuel label checked . Source (opens in a new tab)
Skratch Labs Super High-Carb Sport Drink Mix label checked . Source (opens in a new tab)
Tailwind Endurance Fuel price checked at Tailwind Nutrition . Source (opens in a new tab)
Skratch Labs Super High-Carb 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 Tailwind Endurance Fuel at Tailwind Nutrition 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.
FAQ
Which has more electrolytes, Tailwind or Skratch Labs?
Per 12 fl oz, Tailwind Endurance Fuel has 372 mg sodium, 108 mg potassium and 14 mg magnesium. Skratch Labs Hydration Sport Drink Mix has 300 mg sodium, 38 mg potassium and 38 mg magnesium. Per liter that is 1,047 mg vs 846 mg sodium.
Does Tailwind or Skratch Labs have more sugar?
Tailwind Endurance Fuel: 30 g sugar and 120 kcal per 12 fl oz, no low-calorie sweeteners listed. Skratch Labs Hydration Sport Drink Mix: 14 g sugar and 60 kcal per 12 fl oz, no low-calorie sweeteners listed.
Why do Tailwind and Skratch Labs list different serving sizes?
Tailwind Endurance Fuel's label is for one scoop serving in 10 fl oz (296 mL) of water and Skratch Labs Hydration Sport Drink Mix's is for one scoop serving in 16 fl oz (473 mL) of water. Comparing the labels as printed gives 310 mg vs 400 mg sodium, but on the same 12 fl oz it is 372 mg vs 300 mg.
Which is cheaper, Tailwind or Skratch Labs?
Tailwind Endurance Fuel worked out at $1.03 a serving, $3.49 a liter and $3.33 per 1,000 mg sodium (30-serving bag at Tailwind Nutrition, 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 Tailwind Rapid Hydration compare with Skratch Labs Hydration Sport Drink Mix?
Skratch Labs Hydration Sport Drink Mix has 25% more sodium than Tailwind Rapid Hydration per 12 fl oz (300 mg vs 240 mg). Skratch Labs Hydration Sport Drink Mix has 90% more sugar than Tailwind Rapid Hydration per 12 fl oz (14 g vs 7.5 g). Per liter as mixed, Tailwind Rapid Hydration costs $2.54 and Skratch Labs Hydration Sport Drink Mix costs $2.53.
Does Tailwind or Skratch Labs have caffeine?
Some Tailwind Endurance Fuel flavors have caffeine (up to 35 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.
