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.

Tailwind Endurance Fuel vs Skratch Labs Hydration Sport Drink Mix, per 12 fl oz of finished drink
NutrientTailwind Endurance FuelSkratch Labs Hydration Sport Drink Mix
Formatpowder tubpowder tub
Drink volume12 fl oz (355 mL)12 fl oz (355 mL)
Calories120 kcal60 kcal
Carbohydrate30 g15 g
Sugars30 g14 g
Added sugars30 g14 g
Sodium372 mg300 mg
Potassium108 mg38 mg
Magnesium14 mg38 mg
Calcium32 mg38 mg
Caffeine0 mg0 mg
Tailwind Endurance Fuel vs Skratch Labs Hydration Sport Drink Mix, per liter of finished drink
NutrientTailwind Endurance FuelSkratch Labs Hydration Sport Drink Mix
Formatpowder tubpowder tub
Drink volume1 liter (33.8 fl oz)1 liter (33.8 fl oz)
Calories338 kcal169 kcal
Carbohydrate84 g42 g
Sugars84 g40 g
Added sugars84 g40 g
Sodium1,047 mg846 mg
Potassium304 mg106 mg
Magnesium41 mg106 mg
Calcium91 mg106 mg
Caffeine0 mg0 mg
Tailwind Endurance Fuel vs Skratch Labs Hydration Sport Drink Mix, per serving, as printed on each label
NutrientTailwind Endurance FuelSkratch Labs Hydration Sport Drink Mix
Formatpowder tubpowder tub
Drink volume10 fl oz (296 mL)16 fl oz (473 mL)
Calories100 kcal80 kcal
Carbohydrate25 g20 g
Sugars25 g19 g
Added sugars25 g19 g
Sodium310 mg400 mg
Potassium90 mg50 mg
Magnesium12 mg50 mg
Calcium27 mg50 mg
Caffeine0 mg0 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.

Tailwind Endurance Fuel1,047 mg/LHighTailwind Endurance Fuel: 1,047 mg/L, in the High band (920 to 1,610 mg/L). Scale 0 to 2,500 mg/L.
Skratch Labs Hydration Sport Drink Mix846 mg/LModerateSkratch Labs Hydration Sport Drink Mix: 846 mg/L, in the Moderate band (230 to 920 mg/L). Scale 0 to 2,500 mg/L.

Cost per serving and per 1,000 mg sodium

Cost of Tailwind Endurance Fuel and Skratch Labs Hydration Sport Drink Mix
MeasureTailwind Endurance FuelSkratch 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.

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).

Tailwind Rapid Hydration vs Skratch Labs Hydration Sport Drink Mix, per 12 fl oz of finished drink
Per 12 fl ozTailwind Rapid HydrationSkratch Labs Hydration Sport Drink Mix
Sodium240 mg300 mg
Potassium68 mg38 mg
Magnesium7.5 mg38 mg
Carbohydrate9 g15 g
Sugars7.5 g14 g
Calories34 kcal60 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.

Tailwind Endurance Fuel vs Skratch Labs Super High-Carb Sport Drink Mix, per 12 fl oz of finished drink
Per 12 fl ozTailwind Endurance FuelSkratch Labs Super High-Carb Sport Drink Mix
Sodium372 mg299 mg
Potassium108 mg0 mg
Magnesium14 mgnot on label
Carbohydrate30 g75 g
Sugars30 g6 g
Calories120 kcal299 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.