SLF Electrolyte Comparison · 2026
Key Nutrients Electrolyte
Everyday Hydration · Exercise & Workouts · Recovery
Check Current PriceRead full review ↗
LMNT Electrolyte Drink Mix
Hot-Weather Endurance · Endurance Athletes · Everyday Hydration
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 both product overview videos before reading the detailed side-by-side comparison.
Key Nutrients
Watch this quick 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 | Key Nutrients Electrolyte | LMNT Electrolyte Drink Mix | 🏆 Edge |
|---|---|---|---|
| Sodium | 103 mg | 1,000 mg | LMNT Electrolyte Drink Mix |
| Potassium | 250 mg | 200 mg | Key Nutrients Electrolyte |
| Magnesium | 100 mg | 60 mg | Key Nutrients Electrolyte |
| Sugar | 0.0 g | 0.0 g | Tie |
| Calories | 0 | 0 | Tie |
| Sweetener | Stevia Leaf Extract | Stevia Leaf Extract | Preference |
| Cost per serving | $0.60 | $1.43 | Key Nutrients Electrolyte |
| SLF rating | ★★★★★4.6/5 | ★★★★★4.8/5 | 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.
Key Nutrients Electrolyte
- Vitamin C
- Vitamin D3
- Vitamin B6
- Vitamin B12
- Zinc
- Six essential electrolytes
Key Nutrients is a strong zero-sugar, lighter-sodium choice for daily hydration, but it is less compelling for marathon runners.
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…
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.
Key Nutrients Electrolyte
Why it matters: A lower cost per serving can make frequent use more practical.
Key Nutrients Electrolyte
Why it matters: Potassium supports fluid balance and normal muscle function.
Key Nutrients Electrolyte
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 Key Nutrients Electrolyte if…
- Everyday Hydration
- Exercise & Workouts
- Recovery
- Travel
- Keto & Low-Carb
- Daily Hydration
- Office Hydration
- Wellness
Key Nutrients is a strong zero-sugar, lighter-sodium choice for daily hydration, but it is less compelling for marathon runners.
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.
Pros and Considerations
Key Nutrients Electrolyte
✓ Strengths
- Moderate sodium level suits everyday hydration needs
- Sugar-free formula
- Provides meaningful potassium
- Includes a useful amount of magnesium
- Competitive cost per serving
● Keep in Mind
- Taste and electrolyte strength may not suit every preference
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
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 Key Nutrients Electrolyte instead if you:
- Everyday Hydration
- Exercise & Workouts
- Recovery
- Travel
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.
Key Nutrients Electrolyte
Check Price on Amazon LMNT Electrolyte Drink Mix
Check Price on AmazonFind the electrolyte that fits your needs
Explore the full database by activity, sodium level, sugar preference, goals, budget, and retailer.
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 103 mg. Higher sodium may be more useful when replacing larger sweat losses during prolonged exercise or hot conditions.
Which has less sugar?
Tie has less sugar at 0.0 g per serving, versus 0.0 g. This may matter for people limiting added sugar.
Which is less expensive per serving?
Key Nutrients Electrolyte is currently less expensive at $0.60 per serving, compared with $1.43. Pricing can change by retailer and package size.
What functional ingredients does each product include?
Key Nutrients Electrolyte lists Vitamin C, Vitamin D3, Vitamin B6, Vitamin B12, Zinc, Six essential electrolytes. LMNT Electrolyte Drink Mix lists Sodium ChloridePotassium ChlorideMagnesium MalateStevia Leaf ExtractCitric 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. Key Nutrients Electrolyte 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.