Nuun Zero Sugar Electrolyte Tablets vs. LMNT Sparkling Electrolyte Drink
Real product data from both. Which one earns its place in your gym?
Nuun tablets for the low-sodium, hypotonic, ride-or-run-long format. LMNT powder for the high-sodium, heavy-sweat, extreme-effort format.
These two electrolyte formats answer the same question — replenish what you lose when you sweat — but they ship wildly different dose profiles. Nuun Zero-Sugar tablets are hypotonic: low sodium (300mg), balanced with potassium and magnesium, designed for general endurance training where hydration matters more than sodium replacement. LMNT's sparkling powder is the opposite — 1,000mg of sodium per packet, built for heavy sweaters, long workouts in heat, and people eating low-carb diets that deplete sodium. A Nuun tab is a pleasant training drink; an LMNT packet is clinical sodium replacement. Pick by sweat rate and sodium need.
Pick Nuun Zero Sugar Electrolyte Tablets when you train moderate-intensity endurance in normal conditions and you want electrolytes that taste like a training drink. Nuun's lower-dose profile matches most non-heat, non-heavy-sweat training.
Pick LMNT Sparkling Electrolyte Drink when you sweat heavily, train in heat, run ultras, or eat low-carb. LMNT's high-sodium dose is clinically tuned for these scenarios and it's why the brand exists.
Which one fits you?
- ✓You train 45-90 minute sessions in moderate conditions and you want routine electrolytes.
- ✓You value the flavor and the tab format that dissolves in a water bottle.
- ✓Your sweat rate is normal and over-sodium dosing is wasted or stomach-upsetting.
- ✓You want a low-calorie, low-sugar daily drink rather than a clinical dose.
- ✓You sweat heavily — long runs in heat, intense training sessions, or hot climates.
- ✓You eat low-carb or keto and you deplete sodium through urinary losses as well as sweat.
- ✓You've cramped before because of under-sodium intake.
- ✓You train for ultras, long rides, or events where replenishing 1g sodium per hour is the plan.
Head-to-head specs
| Spec | Nuun Zero Sugar Electrolyte Tablets | LMNT Sparkling Electrolyte Drink |
|---|---|---|
| Price | $17.11 | $30.99 |
| Brand | Nuun | — |
| Amazon rating | 4.5 out of 5 stars | 4.6 out of 5 stars |
| Reviews | 541 | 179 |
| Weight | 0.2 Pounds | 6.01 Kilograms |
Feature highlights, side by side
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Zero Sugar ElectrolytesNuun Zero Sugar Hydration is an effervescent tablet for everyday hydration and water enhancement, made with essential electrolytes to keep you going and zero sugar to hold you back (1)
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Fresh New LookNuun Daily Hydration Tablets are now Nuun Zero Sugar; the same great no sugar electrolytes you love have a new name and refreshed packaging (1)
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5 Everyday ElectrolytesThese Nuun electrolyte tablets provide optimized quantities of Sodium (200 mg), Potassium (125 mg), Chloride (75 mg), Calcium (30 mg) and Magnesium (20 mg) to keep you hydrated during light movement or rest
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Vegan, Non-Gmo & No SugarThese electrolyte tablets are made with clean*, plant-based ingredients and contain zero sugar for smart sipping all day, every day (1)
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Lmnt Sparkling Electrolyte WaterNo Sugar. No Caffeine. Nothing Dodgy All Electrolytes — for those who work, for those who train, and for those who simply want to feel and perform at their best.
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More Salt, Not LessA growing body of research reveals that optimal health outcomes occur at sodium levels 2-3x government recommendations. That’s why we say, More Salt, Not Less.
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Our FormulationEach can contains 1000 mg sodium, 200 mg potassium, 60 mg magnesium — a truly meaningful serving of electrolytes in a science-backed ratio.
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Feel the DifferenceAll-day energy starts with optimal hydration. More energy. No brain fog or cramps. You feel the difference when you get it right.