Exact-variant comparison · Label researched
LMNT vs Nuun
Short answer: LMNT Citrus Salt is the high-sodium, zero-listed-sugar powder; Nuun Sport is the lower-sodium effervescent tablet. Choose between those jobs first—then compare taste, ingredients, live price, and availability in your country.
Powder stick
LMNT
Citrus Salt drink mix
- Sodium
- 1,000 mg
- Sugar
- 0 g
- Potassium
- 200 mg
- Sweetener
- Stevia
Effervescent tablet
Nuun Sport
Sport hydration tablet
- Sodium
- 300 mg
- Sugar
- 1 g
- Potassium
- 150 mg
- Sweetener
- Stevia
Decision first
Which one fits the job?
Choose LMNT's label when
High sodium is the deciding trait
The exact stick lists 1,000 mg sodium, 0 g sugar, 200 mg potassium, and 60 mg magnesium. Its water direction is a range, so prepared concentration changes with the amount mixed.
Choose Nuun's format when
A compact dissolvable tablet fits better
The exact tablet lists 300 mg sodium, 1 g sugar, and directs one tablet in 475 mL water. It is not a no-water option; the convenience is the tablet format.
Choose neither yet when
The use case is still undefined
If you have not decided whether you want fuel, a specific sweetener, a no-mix format, or a sodium range, start with the label method rather than buying from a headline.
Side-by-side facts
LMNT vs Nuun label comparison
Amounts remain attached to each manufacturer's labelled serving. “Not quantitatively recorded” is not converted to zero.
| Compare | LMNT Citrus Salt | Nuun Sport |
|---|---|---|
| Exact record | Citrus Salt drink mix | Sport hydration tablet |
| Format | Powder stick | Effervescent tablet |
| Label basis | 1 stick | 1 tablet |
| Mixing directions | 1 stick in 473–946 mL (16–32 US fl oz) water, to taste | 1 tablet in 475 mL water |
| Listed sodium | 1,000 mg | 300 mg |
| Prepared sodium concentration | 1,057–2,114 mg/L, depending on water volume | 632 mg/L (SALTBLAST calculation) |
| Listed potassium | 200 mg | 150 mg |
| Listed magnesium | 60 mg | 25 mg |
| Listed calcium | Not quantitatively listed | 13 mg |
| Listed carbohydrate | Not quantitatively recorded | 4 g |
| Listed sugar | 0 g | 1 g |
| Recorded sweeteners | Stevia | Stevia |
| Evidence status | Label researched; Current label verified | Label researched; Current label verified |
What the numbers mean
Per serving is not per litre
LMNT lists 1,000 mg sodium per stick and directs a broad 473–946 mL water range. Nuun lists 300 mg per tablet with a fixed 475 mL direction. The prepared concentrations are therefore not just the front-label numbers copied into a bottle.
Normalize your own bottle →Primary product sources
Verify the exact records
LMNT
Citrus Salt drink mix. Label source checked 2026-08-26; evidence status: label researched.
Nuun Sport
Sport hydration tablet. Label source checked 2026-08-26; evidence status: label researched.
Shopping in Canada?
Check the Canadian-facing destinations
These destinations are specifically the current Canadian commerce layer. Visitors elsewhere should use the manufacturer sources above until a verified local market page is published.
LMNT
Citrus Salt drink mix
Destination: LMNT 36-stick variety pack (Citrus Salt and Watermelon Salt)
- Listed sodium
- 1,000 mg
- Listed sugar
- 0 g
Snapshot: $58.99 at Costco Canada, checked Aug 26, 2026. Live price may differ.
The price snapshot is for Costco Canada's 36-stick variety pack (18 Citrus Salt and 18 Watermelon Salt), not a Citrus-only box; stock varies by location.
Check at Costco Canada →Retailer links are convenience links, not stock guarantees. Match the exact variant and current package label before buying. Commercial relationships never change SALTBLAST's test-status labels or conclusions.
Direct answers
LMNT vs Nuun questions
Does LMNT or Nuun have more sodium?
For the exact records compared, LMNT Citrus Salt lists 1,000 mg sodium per 1 stick; Nuun Sport lists 300 mg per 1 tablet. LMNT therefore lists 3.3 times as much sodium per labelled unit, but their directed water volumes and intended formats also differ.
Is LMNT or Nuun sugar-free?
LMNT Citrus Salt lists 0 g sugar per stick. Nuun Sport lists 1 g sugar and 4 g carbohydrate per tablet in the record compared. Both records list stevia, so sugar-free or low-sugar does not mean unsweetened.
Is LMNT better than Nuun?
Not universally. LMNT is the closer label match when a high-sodium, zero-listed-sugar powder is the deciding trait. Nuun is the closer format match when you want a compact effervescent tablet with a lower-sodium serving. Taste, tolerance, availability, price, and personal context still need separate evaluation.
Has SALTBLAST personally tested LMNT and Nuun?
No. Both exact records on this page are currently label researched. The comparison uses manufacturer information and calculation rules; it is not presented as a taste, tolerance, solubility, or performance test.