LMNT vs Propel: sodium, sweeteners 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 4.6 times the sodium of Propel Fitness Water per 12 fl oz (750 mg vs 163 mg). Neither has any sugar. Propel Fitness Water costs less per liter as mixed ($1.76 vs $3.17 for LMNT Zero-Sugar Electrolytes).
LMNT Zero-Sugar Electrolytes vs Propel Fitness Water, side by side
Serving sizes differ. LMNT Zero-Sugar Electrolytes' label is for one stick in 16 fl oz (473 mL) of water; Propel Fitness Water's is for a 16.9 fl oz (500 mL) bottle serving. 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 | LMNT Zero-Sugar Electrolytes | Propel Fitness Water |
|---|---|---|
| Format | powder stick | ready-to-drink bottle |
| Drink volume | 12 fl oz (355 mL) | 12 fl oz (355 mL) |
| Calories | 4 kcal | 0 kcal |
| Carbohydrate | 0.8 g | 0 g |
| Sugars | 0 g | 0 g |
| Added sugars | not on label | 0 g |
| Sodium | 750 mg | 163 mg |
| Potassium | 150 mg | 43 mg |
| Magnesium | 45 mg | not on label |
| Caffeine | 0 mg | 0 mg |
| Nutrient | LMNT Zero-Sugar Electrolytes | Propel Fitness Water |
|---|---|---|
| Format | powder stick | ready-to-drink bottle |
| Drink volume | 1 liter (33.8 fl oz) | 1 liter (33.8 fl oz) |
| Calories | 11 kcal | 0 kcal |
| Carbohydrate | 2.1 g | 0 g |
| Sugars | 0 g | 0 g |
| Added sugars | not on label | 0 g |
| Sodium | 2,114 mg | 460 mg |
| Potassium | 423 mg | 120 mg |
| Magnesium | 127 mg | not on label |
| Caffeine | 0 mg | 0 mg |
| Nutrient | LMNT Zero-Sugar Electrolytes | Propel Fitness Water |
|---|---|---|
| Format | powder stick | ready-to-drink bottle |
| Drink volume | 16 fl oz (473 mL) | 16.9 fl oz (500 mL) |
| Calories | 5 kcal | 0 kcal |
| Carbohydrate | 1 g | 0 g |
| Sugars | 0 g | 0 g |
| Added sugars | not on label | 0 g |
| Sodium | 1,000 mg | 230 mg |
| Potassium | 200 mg | 60 mg |
| Magnesium | 60 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. Neither label lists calcium or chloride.
LMNT Zero-Sugar Electrolytes label checked . Source (opens in a new tab)
Propel Fitness Water 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 | LMNT Zero-Sugar Electrolytes | Propel Fitness Water |
|---|---|---|
| Price checked | $45.00 for 30-count box of stick packs (one-time purchase) | $5.29 for 6 x 16.9 fl oz bottles |
| Cost per serving | $1.50 | $0.88 |
| Cost per liter | $3.17 | $1.76 |
| Cost per 1,000 mg sodium | $1.50 | $3.83 |
LMNT Zero-Sugar Electrolytes price checked at LMNT . Source (opens in a new tab)
Propel Fitness Water price checked at Target . 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.
- No sugar sources in the ingredients. Sweetened with sucralose and acesulfame potassium.
- Propel Fitness Water has no caffeine.
- 0% carbohydrate as mixed, which we estimate as hypotonic.
Ingredients
Water, Citric Acid, Sodium Hexametaphosphate (To Protect Flavor), Natural Flavor, Salt, Potassium Sorbate (Preserves Freshness), Potassium Citrate, Sodium Citrate, Ascorbic Acid (Vitamin C), Sucralose, Acesulfame Potassium, Calcium Disodium EDTA (To Protect Flavor), Calcium Pantothenate (Vitamin B5), Niacinamide (Vitamin B3), Vitamin E Acetate, Pyridoxine Hydrochloride (Vitamin B6).
Which to pick
Each reason below is a measured difference in the label data.
Pick LMNT if
- you want more sodium: 750 mg vs 163 mg per 12 fl oz
- you want more potassium: 150 mg vs 43 mg per 12 fl oz
- you want magnesium: 45 mg per 12 fl oz vs not on the label
- you want to avoid sucralose and acesulfame potassium
- you want the option of a caffeinated flavor: up to 50 mg per serving
- you want the cheapest sodium: $1.50 vs $3.83 per 1,000 mg
- you want a powder stick that is light to carry and mixes into your own water
Pick Propel if
- you want a lighter salt dose: 163 mg vs 750 mg per 12 fl oz
- you want fewer calories: 0 kcal vs 4 kcal per 12 fl oz
- you want the lower cost per liter: $1.76 vs $3.17
- you want a ready-to-drink bottle with nothing to mix
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.
LMNT Zero-Sugar Electrolytes
Other LMNT vs Propel matchups
LMNT Zero-Sugar Electrolytes vs Propel Powder Sticks
LMNT Zero-Sugar Electrolytes has 4.8 times the sodium of Propel Powder Sticks per 12 fl oz (750 mg vs 156 mg). Neither has any sugar.
LMNT Zero-Sugar Electrolytes' label is for one stick in 16 fl oz (473 mL) of water; Propel Powder Sticks' is for one stick in 20 fl oz (591 mL) of water. The table converts both to 12 fl oz.
| Per 12 fl oz | LMNT Zero-Sugar Electrolytes | Propel Powder Sticks |
|---|---|---|
| Sodium | 750 mg | 156 mg |
| Potassium | 150 mg | 48 mg |
| Magnesium | 45 mg | not on label |
| Carbohydrate | 0.8 g | 0 g |
| Sugars | 0 g | 0 g |
| Calories | 4 kcal | 3 kcal |
| Cost per liter | $3.17 | $0.99 |
LMNT Zero-Sugar Electrolytes label checked . Source (opens in a new tab)
Propel Powder Sticks label checked . Source (opens in a new tab)
LMNT Zero-Sugar Electrolytes price checked at LMNT . Source (opens in a new tab)
Propel Powder Sticks price checked at Target . 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 Propel Fitness Water at Target 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.
FAQ
Which has more electrolytes, LMNT or Propel?
Per 12 fl oz, LMNT Zero-Sugar Electrolytes has 750 mg sodium, 150 mg potassium and 45 mg magnesium. Propel Fitness Water has 163 mg sodium and 43 mg potassium. Per liter that is 2,114 mg vs 460 mg sodium. Propel Fitness Water doesn't list magnesium on the label.
Do LMNT and Propel have sugar?
LMNT Zero-Sugar Electrolytes: 0 g sugar and 4 kcal per 12 fl oz, sweetened with stevia. Propel Fitness Water: 0 g sugar and 0 kcal per 12 fl oz, sweetened with sucralose and acesulfame potassium.
Why do LMNT and Propel list different serving sizes?
LMNT Zero-Sugar Electrolytes' label is for one stick in 16 fl oz (473 mL) of water and Propel Fitness Water's is for a 16.9 fl oz (500 mL) bottle serving. Comparing the labels as printed gives 1,000 mg vs 230 mg sodium, but on the same 12 fl oz it is 750 mg vs 163 mg.
Which is cheaper, LMNT or Propel?
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). Propel Fitness Water worked out at $0.88 a serving, $1.76 a liter and $3.83 per 1,000 mg sodium (6 x 16.9 fl oz bottles at Target, checked Sep 24, 2026). Prices change often, so treat these as a snapshot.
How does LMNT Zero-Sugar Electrolytes compare with Propel Powder Sticks?
LMNT Zero-Sugar Electrolytes has 4.8 times the sodium of Propel Powder Sticks per 12 fl oz (750 mg vs 156 mg). Neither has any sugar. LMNT Zero-Sugar Electrolytes has 0.8 g total carbohydrate per 12 fl oz; Propel Powder Sticks has none. Per liter as mixed, LMNT Zero-Sugar Electrolytes costs $3.17 and Propel Powder Sticks costs $0.99.
Does LMNT or Propel have caffeine?
Some LMNT Zero-Sugar Electrolytes flavors have caffeine (up to 50 mg per serving); the others have none. Propel Fitness Water has no caffeine.