LMNT 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.

LMNT Zero-Sugar Electrolytes has 2.5 times the sodium of Skratch Labs Hydration Sport Drink Mix per 12 fl oz (750 mg vs 300 mg). Skratch Labs Hydration Sport Drink Mix has 14 g sugar per 12 fl oz; LMNT Zero-Sugar Electrolytes has none. Skratch Labs Hydration Sport Drink Mix costs less per liter as mixed ($2.53 vs $3.17 for LMNT Zero-Sugar Electrolytes).

LMNT Zero-Sugar Electrolytes vs Skratch Labs Hydration Sport Drink Mix, side by side

LMNT Zero-Sugar Electrolytes vs Skratch Labs Hydration Sport Drink Mix, per 12 fl oz of finished drink
NutrientLMNT Zero-Sugar ElectrolytesSkratch Labs Hydration Sport Drink Mix
Formatpowder stickpowder tub
Drink volume12 fl oz (355 mL)12 fl oz (355 mL)
Calories4 kcal60 kcal
Carbohydrate0.8 g15 g
Sugars0 g14 g
Added sugarsnot on label14 g
Sodium750 mg300 mg
Potassium150 mg38 mg
Magnesium45 mg38 mg
Calciumnot on label38 mg
Caffeine0 mg0 mg
LMNT Zero-Sugar Electrolytes vs Skratch Labs Hydration Sport Drink Mix, per liter of finished drink
NutrientLMNT Zero-Sugar ElectrolytesSkratch Labs Hydration Sport Drink Mix
Formatpowder stickpowder tub
Drink volume1 liter (33.8 fl oz)1 liter (33.8 fl oz)
Calories11 kcal169 kcal
Carbohydrate2.1 g42 g
Sugars0 g40 g
Added sugarsnot on label40 g
Sodium2,114 mg846 mg
Potassium423 mg106 mg
Magnesium127 mg106 mg
Calciumnot on label106 mg
Caffeine0 mg0 mg
LMNT Zero-Sugar Electrolytes vs Skratch Labs Hydration Sport Drink Mix, per serving, as printed on each label
NutrientLMNT Zero-Sugar ElectrolytesSkratch Labs Hydration Sport Drink Mix
Formatpowder stickpowder tub
Drink volume16 fl oz (473 mL)16 fl oz (473 mL)
Calories5 kcal80 kcal
Carbohydrate1 g20 g
Sugars0 g19 g
Added sugarsnot on label19 g
Sodium1,000 mg400 mg
Potassium200 mg50 mg
Magnesium60 mg50 mg
Calciumnot on label50 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.

LMNT Zero-Sugar Electrolytes 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.

LMNT Zero-Sugar Electrolytes2,114 mg/LVery highLMNT Zero-Sugar Electrolytes: 2,114 mg/L, in the Very high band (1,610 to 2,500 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 LMNT Zero-Sugar Electrolytes and Skratch Labs Hydration Sport Drink Mix
MeasureLMNT Zero-Sugar ElectrolytesSkratch Labs Hydration Sport Drink Mix
Price checked$45.00 for 30-count box of stick packs (one-time purchase)$23.95 for Resealable bag, 20 servings (440 g)
Cost per serving$1.50$1.20
Cost per liter$3.17$2.53
Cost per 1,000 mg sodium$1.50$2.99

LMNT Zero-Sugar Electrolytes price checked at LMNT . 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

  • No sugar sources in the ingredients. Sweetened with stevia.
  • Some LMNT Zero-Sugar Electrolytes flavors have caffeine (up to 50 mg per serving); the others have none.
  • 0.2% carbohydrate as mixed, which we estimate as hypotonic.
Ingredients

Salt (Sodium Chloride), Citric Acid, Magnesium Malate, Potassium Chloride, Natural Lemon & Lime Flavors, Stevia Leaf Extract.

  • 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 LMNT if

  • you want more sodium: 750 mg vs 300 mg per 12 fl oz
  • you want no sugar: 0 g vs 14 g per 12 fl oz
  • you want more potassium: 150 mg vs 38 mg per 12 fl oz
  • you want the cheapest sodium: $1.50 vs $2.99 per 1,000 mg

Pick Skratch Labs if

  • you want a lighter salt dose: 300 mg vs 750 mg per 12 fl oz
  • you want carbohydrate for energy during long sessions: 15 g vs 0.8 g per 12 fl oz
  • you want the lower cost per liter: $2.53 vs $3.17

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 LMNT vs Skratch Labs matchups

LMNT Zero-Sugar Electrolytes vs Skratch Labs Unsweetened Hydration Sport Drink Mix

LMNT Zero-Sugar Electrolytes has 88% more sodium than Skratch Labs Unsweetened Hydration Sport Drink Mix per 12 fl oz (750 mg vs 400 mg). Neither has any sugar.

LMNT Zero-Sugar Electrolytes' label is for one stick in 16 fl oz (473 mL) of water; Skratch Labs Unsweetened Hydration Sport Drink Mix's is for one scoop serving in 12 fl oz (355 mL) of water. The table converts both to 12 fl oz.

LMNT Zero-Sugar Electrolytes vs Skratch Labs Unsweetened Hydration Sport Drink Mix, per 12 fl oz of finished drink
Per 12 fl ozLMNT Zero-Sugar ElectrolytesSkratch Labs Unsweetened Hydration Sport Drink Mix
Sodium750 mg400 mg
Potassium150 mg100 mg
Magnesium45 mg50 mg
Carbohydrate0.8 g1 g
Sugars0 g0 g
Calories4 kcal10 kcal
Cost per liter$3.17$2.62

LMNT Zero-Sugar Electrolytes label checked . Source (opens in a new tab)

Skratch Labs Unsweetened Hydration Sport Drink Mix label checked . Source (opens in a new tab)

LMNT Zero-Sugar Electrolytes price checked at LMNT . Source (opens in a new tab)

Skratch Labs Unsweetened 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 LMNT Zero-Sugar Electrolytes at LMNT 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. LMNT Zero-Sugar Electrolytes and Skratch Labs Hydration Sport Drink Mix list different values for some flavors; this page uses the main label.

FAQ

Which has more electrolytes, LMNT or Skratch Labs?

Per 12 fl oz, LMNT Zero-Sugar Electrolytes has 750 mg sodium, 150 mg potassium and 45 mg magnesium. Skratch Labs Hydration Sport Drink Mix has 300 mg sodium, 38 mg potassium and 38 mg magnesium. Per liter that is 2,114 mg vs 846 mg sodium.

Does LMNT or Skratch Labs have more sugar?

LMNT Zero-Sugar Electrolytes: 0 g sugar and 4 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, LMNT or Skratch Labs?

LMNT Zero-Sugar Electrolytes worked out at $1.50 a serving, $3.17 a liter and $1.50 per 1,000 mg sodium (30-count box of stick packs (one-time purchase) at LMNT, 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 LMNT Zero-Sugar Electrolytes compare with Skratch Labs Unsweetened Hydration Sport Drink Mix?

LMNT Zero-Sugar Electrolytes has 88% more sodium than Skratch Labs Unsweetened Hydration Sport Drink Mix per 12 fl oz (750 mg vs 400 mg). Neither has any sugar. Per liter as mixed, LMNT Zero-Sugar Electrolytes costs $3.17 and Skratch Labs Unsweetened Hydration Sport Drink Mix costs $2.62.

Does LMNT or Skratch Labs have caffeine?

Some LMNT Zero-Sugar Electrolytes flavors have caffeine (up to 50 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.