SLF Electrolyte Comparison · 2026
LMNT Electrolyte Drink Mix
Hot-Weather Endurance · Endurance Athletes · Everyday Hydration
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Open Fuel Ultra Fuel
Endurance Athletes · Exercise & Workouts · Long Distance Runners
Check Current PriceRead full review ↗LMNT Electrolyte Drink Mix
Best overall data score for this matchup based on formula, value, rating, and intended use.
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Explore Top Amazon Flavors
See the three most-reviewed Amazon benchmark flavors currently tracked for each eligible brand in this comparison.
LMNT Favorites
Citrus Salt
Bright lemon-lime citrus with a clean acidic lift and pronounced saltiness.
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Watermelon Salt
Juicy watermelon candy notes balanced by LMNT's strong salty mineral profile.
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Raspberry Salt
Tart raspberry with light citrus acidity and a distinctly salty finish.
Check Amazon Price → Read Raspberry Salt Review →Watch Product Overviews
Watch this product overview before reading the detailed side-by-side comparison.
LMNT
Watch this quick overview before reading the detailed side-by-side comparison.
At a Glance
A quick side-by-side look at nutrition, value, and overall performance.
| Feature | LMNT Electrolyte Drink Mix | Open Fuel Ultra Fuel | 🏆 Edge |
|---|---|---|---|
| Sodium | 1,000 mg | 500 mg | LMNT Electrolyte Drink Mix |
| Potassium | 200 mg | Not listed | LMNT Electrolyte Drink Mix |
| Magnesium | 60 mg | Not listed | LMNT Electrolyte Drink Mix |
| Sugar | 0.0 g | 22.0 g | Open Fuel Ultra Fuel |
| Calories | 0 | 248 | Open Fuel Ultra Fuel |
| Sweetener | Stevia Leaf Extract | Maltodextrin and fructose; no non-nutritive sweeteners listed | Preference |
| Cost per serving | $1.43 | $2.08 | LMNT Electrolyte Drink Mix |
| SLF rating | ★★★★★4.8/5 | ★★★★☆4.0/5 | LMNT Electrolyte Drink Mix |
VELOMIX Insulated Stainless Steel Shaker Bottle
A 24 oz insulated stainless steel shaker bottle designed to keep drinks cold while mixing protein, electrolytes, and workout hydration on the go.
Functional Ingredients
Additional active or performance-oriented ingredients recorded in the SLF database.
LMNT Electrolyte Drink Mix
- Sodium ChloridePotassium ChlorideMagnesium MalateStevia Leaf ExtractCitric Acid
LMNT earns our highest recommendation for people who need maximum sodium replacement without added sugar. Its 1,000 mg sodium formula makes it one of…
Open Fuel Ultra Fuel
- Maltodextrin
- fructose
- sodium citrate
- pectin
- and citric acid
Open Fuel Ultra Fuel is one of the more compelling value-focused endurance mixes for athletes who want meaningful carbohydrate and sodium in the same…
Key Differences
The most meaningful data-backed differences in this matchup.
LMNT Electrolyte Drink Mix
Why it matters: Higher sodium can better replace larger sweat losses during prolonged exercise or heat.
LMNT Electrolyte Drink Mix
Why it matters: Lower sugar may suit people prioritizing reduced-sugar hydration.
LMNT Electrolyte Drink Mix
Why it matters: A lower cost per serving can make frequent use more practical.
Open Fuel Ultra Fuel
Why it matters: A broader functional-ingredient profile may appeal to users seeking vitamins or carbohydrate-assisted hydration.
Who Should Choose Each Product?
Use these guidelines to find the best fit for your hydration needs and lifestyle.
Choose LMNT Electrolyte Drink Mix if…
- Hot-Weather Endurance
- Endurance Athletes
- Everyday Hydration
- Exercise & Workouts
- Recovery
- Travel
- Heat & Outdoor Work
- Keto & Low-Carb
LMNT earns our highest recommendation for people who need maximum sodium replacement without added sugar. Its 1,000 mg sodium formula makes it one of the strongest choices for keto and low-carb lifestyles, endurance athletes, heavy sweaters, and people who practice intermittent fasting. If your hydration needs are more casual, you're limiting sodium intake, or you prefer a sweeter drink, another electrolyte mix may be a better everyday option.
Choose Open Fuel Ultra Fuel if…
- Endurance Athletes
- Exercise & Workouts
- Long Distance Runners
- Cyclists
- Triathletes
- Ultrarunners
- Sessions Lasting 90 Minutes Or Longer
- Athletes Targeting 60 G Carbohydrate Per Hour
Open Fuel Ultra Fuel is one of the more compelling value-focused endurance mixes for athletes who want meaningful carbohydrate and sodium in the same bottle. Its simple formula and bulk packaging are strengths, though shoppers should note the lack of potassium, magnesium, and sport certification.
Pros and Considerations
LMNT Electrolyte Drink Mix
✓ Strengths
- Very high sodium supports heavy sweating and demanding endurance use
- Sugar-free formula
- Provides meaningful potassium
- Includes a useful amount of magnesium
- Fits keto and low-carbohydrate lifestyles
● Keep in Mind
- Taste and electrolyte strength may not suit every preference
Open Fuel Ultra Fuel
✓ Strengths
- Substantial sodium supports exercise and hot-weather hydration
● Keep in Mind
- Contains 22.0 g sugar per serving
- Mineral amounts beyond sodium are not disclosed in the current SLF record
- Premium cost per serving
LMNT Electrolyte Drink Mix
SLF scoring considers nutrition, formula, price, certifications, intended use, and value.
Why it earns the edge
- Very high sodium supports heavy sweating and demanding endurance use
- Sugar-free formula
- Provides meaningful potassium
- Includes a useful amount of magnesium
Choose Open Fuel Ultra Fuel instead if you:
- Endurance Athletes
- Exercise & Workouts
- Long Distance Runners
- Cyclists
Choose Your Electrolyte
Shop the product that best fits your needs. Amazon is shown first when available, with a direct brand option as the fallback.
LMNT Electrolyte Drink Mix
Check Price on Amazon Open Fuel Ultra Fuel
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Frequently Asked Questions
Data-backed answers based on the current SLF product records.
Which has more sodium?
LMNT Electrolyte Drink Mix contains 1,000 mg of sodium per serving, compared with 500 mg. Higher sodium may be more useful when replacing larger sweat losses during prolonged exercise or hot conditions.
Which has less sugar?
Open Fuel Ultra Fuel has less sugar at 22.0 g per serving, versus 0.0 g. This may matter for people limiting added sugar.
Which is less expensive per serving?
LMNT Electrolyte Drink Mix is currently less expensive at $1.43 per serving, compared with $2.08. Pricing can change by retailer and package size.
What functional ingredients does each product include?
LMNT Electrolyte Drink Mix lists Sodium ChloridePotassium ChlorideMagnesium MalateStevia Leaf ExtractCitric Acid. Open Fuel Ultra Fuel lists Maltodextrin, fructose, sodium citrate, pectin, and citric acid. Functional ingredients supplement the core electrolyte profile but do not automatically make one product better for every use.
Which product is better overall?
LMNT Electrolyte Drink Mix earns the higher SLF comparison score based on the available formula, value, rating, and intended-use data. Open Fuel Ultra Fuel may still be the better fit when its specific use cases align more closely with your needs.
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Nutrition facts, pricing, and availability can change. Verify the current label before purchasing. This comparison is informational and is not medical advice.