Nuun vs LMNT: 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 3.3 times the sodium of Nuun Sport per 12 fl oz (750 mg vs 225 mg). Nuun Sport has 0.8 g sugar per 12 fl oz; LMNT Zero-Sugar Electrolytes has none. Nuun Sport costs less per liter as mixed ($1.58 vs $3.17 for LMNT Zero-Sugar Electrolytes).
Nuun Sport vs LMNT Zero-Sugar Electrolytes, side by side
| Nutrient | Nuun Sport | LMNT Zero-Sugar Electrolytes |
|---|---|---|
| Format | tablet | powder stick |
| Drink volume | 12 fl oz (355 mL) | 12 fl oz (355 mL) |
| Calories | 11 kcal | 4 kcal |
| Carbohydrate | 3 g | 0.8 g |
| Sugars | 0.8 g | 0 g |
| Added sugars | 0.8 g | not on label |
| Sodium | 225 mg | 750 mg |
| Potassium | 113 mg | 150 mg |
| Magnesium | 19 mg | 45 mg |
| Calcium | 9.8 mg | not on label |
| Chloride | 30 mg | not on label |
| Caffeine | 0 mg | 0 mg |
| Nutrient | Nuun Sport | LMNT Zero-Sugar Electrolytes |
|---|---|---|
| Format | tablet | powder stick |
| Drink volume | 1 liter (33.8 fl oz) | 1 liter (33.8 fl oz) |
| Calories | 32 kcal | 11 kcal |
| Carbohydrate | 8.5 g | 2.1 g |
| Sugars | 2.1 g | 0 g |
| Added sugars | 2.1 g | not on label |
| Sodium | 634 mg | 2,114 mg |
| Potassium | 317 mg | 423 mg |
| Magnesium | 53 mg | 127 mg |
| Calcium | 27 mg | not on label |
| Chloride | 85 mg | not on label |
| Caffeine | 0 mg | 0 mg |
| Nutrient | Nuun Sport | LMNT Zero-Sugar Electrolytes |
|---|---|---|
| Format | tablet | powder stick |
| Drink volume | 16 fl oz (473 mL) | 16 fl oz (473 mL) |
| Calories | 15 kcal | 5 kcal |
| Carbohydrate | 4 g | 1 g |
| Sugars | 1 g | 0 g |
| Added sugars | 1 g | not on label |
| Sodium | 300 mg | 1,000 mg |
| Potassium | 150 mg | 200 mg |
| Magnesium | 25 mg | 60 mg |
| Calcium | 13 mg | not on label |
| 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)
LMNT Zero-Sugar Electrolytes 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 | LMNT Zero-Sugar Electrolytes |
|---|---|---|
| Price checked | $7.49 for 1 tube, 10 tablets | $45.00 for 30-count box of stick packs (one-time purchase) |
| Cost per serving | $0.75 | $1.50 |
| Cost per liter | $1.58 | $3.17 |
| Cost per 1,000 mg sodium | $2.50 | $1.50 |
Nuun Sport price checked at Nuun . Source (opens in a new tab)
LMNT Zero-Sugar Electrolytes price checked at LMNT . 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)
- 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.
Which to pick
Each reason below is a measured difference in the label data.
Pick Nuun if
- you want a lighter salt dose: 225 mg vs 750 mg per 12 fl oz
- you want the lower cost per liter: $1.58 vs $3.17
Pick LMNT if
- you want more sodium: 750 mg vs 225 mg per 12 fl oz
- you want no sugar: 0 g vs 0.8 g per 12 fl oz
- you want more potassium: 150 mg vs 113 mg per 12 fl oz
- you want more magnesium: 45 mg vs 19 mg per 12 fl oz
- you want the cheapest sodium: $1.50 vs $2.50 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.
Nuun Sport
Other Nuun vs LMNT matchups
Nuun Zero Sugar vs LMNT Zero-Sugar Electrolytes
LMNT Zero-Sugar Electrolytes has 5 times the sodium of Nuun Zero Sugar per 12 fl oz (750 mg vs 150 mg). Neither has any sugar.
| Per 12 fl oz | Nuun Zero Sugar | LMNT Zero-Sugar Electrolytes |
|---|---|---|
| Sodium | 150 mg | 750 mg |
| Potassium | 94 mg | 150 mg |
| Magnesium | 15 mg | 45 mg |
| Carbohydrate | 3 g | 0.8 g |
| Sugars | 0 g | 0 g |
| Calories | 11 kcal | 4 kcal |
| Cost per liter | $1.58 | $3.17 |
Nuun Zero Sugar label checked . Source (opens in a new tab)
LMNT Zero-Sugar Electrolytes label checked . Source (opens in a new tab)
Nuun Zero Sugar price checked at Nuun . Source (opens in a new tab)
LMNT Zero-Sugar Electrolytes price checked at LMNT . 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 LMNT Zero-Sugar Electrolytes at LMNT 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 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 LMNT?
Per 12 fl oz, Nuun Sport has 225 mg sodium, 113 mg potassium and 19 mg magnesium. LMNT Zero-Sugar Electrolytes has 750 mg sodium, 150 mg potassium and 45 mg magnesium. Per liter that is 634 mg vs 2,114 mg sodium.
Does Nuun or LMNT have more sugar?
Nuun Sport: 0.8 g sugar and 11 kcal per 12 fl oz, sweetened with stevia. LMNT Zero-Sugar Electrolytes: 0 g sugar and 4 kcal per 12 fl oz, sweetened with stevia.
Which is cheaper, Nuun or LMNT?
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). 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). Prices change often, so treat these as a snapshot.
How does Nuun Zero Sugar compare with LMNT Zero-Sugar Electrolytes?
LMNT Zero-Sugar Electrolytes has 5 times the sodium of Nuun Zero Sugar per 12 fl oz (750 mg vs 150 mg). Neither has any sugar. Nuun Zero Sugar has 4 times the total carbohydrate of LMNT Zero-Sugar Electrolytes per 12 fl oz (3 g vs 0.8 g). Per liter as mixed, Nuun Zero Sugar costs $1.58 and LMNT Zero-Sugar Electrolytes costs $3.17.
Does Nuun or LMNT have caffeine?
Some Nuun Sport flavors have caffeine (up to 40 mg per serving); the others have none. Some LMNT Zero-Sugar Electrolytes flavors have caffeine (up to 50 mg per serving); the others have none.