SLF Electrolyte Comparison · 2026
Liquid I.V. Energy Sugar-Free
Everyday Hydration · Exercise & Workouts · Travel
Check Price at CVSRead full review ↗
Ultima Replenisher Electrolyte Mix
Everyday Hydration · Travel · Keto & Low-Carb
Check Price at CVSRead full review ↗Ultima Replenisher Electrolyte Mix
Best overall data score for this matchup based on formula, value, rating, and intended use.
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At a Glance
A quick side-by-side look at nutrition, value, and overall performance.
| Feature | Liquid I.V. Energy Sugar-Free | Ultima Replenisher Electrolyte Mix | 🏆 Edge |
|---|---|---|---|
| Sodium | 500 mg | 55 mg | Liquid I.V. Energy Sugar-Free |
| Potassium | 370 mg | 250 mg | Liquid I.V. Energy Sugar-Free |
| Magnesium | 85 mg | 100 mg | Ultima Replenisher Electrolyte Mix |
| Sugar | 0.0 g | 0.0 g | Tie |
| Calories | 20 | 0 | Liquid I.V. Energy Sugar-Free |
| Sweetener | Allulose, stevia leaf extract | Organic Stevia Leaf Extract | Preference |
| Cost per serving | $1.78 | $0.56 | Ultima Replenisher Electrolyte Mix |
| SLF rating | ★★★★☆4.0/5 | ★★★★★4.7/5 | Ultima Replenisher Electrolyte Mix |
HydraPeak Voyager 40 oz Stainless Steel Tumbler
Keep hydration close all day with this 40 oz insulated stainless steel tumbler featuring a handle, 2-in-1 sip-and-straw lid, non-slip base, and cup-holder-friendly design.
Functional Ingredients
Additional active or performance-oriented ingredients recorded in the SLF database.
Liquid I.V. Energy Sugar-Free
- 200 mg L-theanine
- Coffeeberry Energy coffee fruit extract
- CognatiQ coffee fruit extract
- vitamin C
- vitamins B3
- B5
- B6 and B12
- amino acids L-glutamine and L-alanine
A compelling hydration-plus-energy formula with considerably more hydration emphasis than a conventional energy drink and a moderate 100 mg caffeine dose balanced by 200…
Ultima Replenisher Electrolyte Mix
- MagnesiumVitamin CZincElectrolyte BlendTrace Minerals
Ultima Replenisher is a strong zero-sugar, lighter-sodium choice for everyday hydration, low-sodium diets, keto, general wellness, but it is less compelling for heavy endurance…
Key Differences
The most meaningful data-backed differences in this matchup.
Liquid I.V. Energy Sugar-Free
Why it matters: Higher sodium can better replace larger sweat losses during prolonged exercise or heat.
Ultima Replenisher Electrolyte Mix
Why it matters: A lower cost per serving can make frequent use more practical.
Liquid I.V. Energy Sugar-Free
Why it matters: Potassium supports fluid balance and normal muscle function.
Liquid I.V. Energy Sugar-Free
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 Liquid I.V. Energy Sugar-Free if…
- Everyday Hydration
- Exercise & Workouts
- Travel
- Keto & Low-Carb
- Adults Seeking Balanced Energy For Work
- Social Occasions Or Afternoon Slumps While Also Getting Substantial Electrolyte Support
- Energy
- Hydration
A compelling hydration-plus-energy formula with considerably more hydration emphasis than a conventional energy drink and a moderate 100 mg caffeine dose balanced by 200 mg L-theanine.
Choose Ultima Replenisher Electrolyte Mix if…
- Everyday Hydration
- Travel
- Keto & Low-Carb
- Low Sodium Diets
- General Wellness
- Wellness
- Teens
Ultima Replenisher is a strong zero-sugar, lighter-sodium choice for everyday hydration, low-sodium diets, keto, general wellness, but it is less compelling for heavy endurance athletes needing very high sodium replacement.
Pros and Considerations
Liquid I.V. Energy Sugar-Free
✓ Strengths
- Substantial sodium supports exercise and hot-weather hydration
- Sugar-free formula
- Provides meaningful potassium
- Includes a useful amount of magnesium
- Fits keto and low-carbohydrate lifestyles
● Keep in Mind
- Premium cost per serving
Ultima Replenisher Electrolyte Mix
✓ 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
Ultima Replenisher Electrolyte Mix
SLF scoring considers nutrition, formula, price, certifications, intended use, and value.
Why it earns the edge
- Moderate sodium level suits everyday hydration needs
- Sugar-free formula
- Provides meaningful potassium
- Includes a useful amount of magnesium
Choose Liquid I.V. Energy Sugar-Free instead if you:
- Everyday Hydration
- Exercise & Workouts
- Travel
- Keto & Low-Carb
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.
Liquid I.V. Energy Sugar-Free
Check Price at CVS Ultima Replenisher Electrolyte Mix
Check Price at CVSFind 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?
Liquid I.V. Energy Sugar-Free contains 500 mg of sodium per serving, compared with 55 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?
Ultima Replenisher Electrolyte Mix is currently less expensive at $0.56 per serving, compared with $1.78. Pricing can change by retailer and package size.
What functional ingredients does each product include?
Liquid I.V. Energy Sugar-Free lists 200 mg L-theanine, Coffeeberry Energy coffee fruit extract, CognatiQ coffee fruit extract, vitamin C, vitamins B3, B5. Ultima Replenisher Electrolyte Mix lists MagnesiumVitamin CZincElectrolyte BlendTrace Minerals. Functional ingredients supplement the core electrolyte profile but do not automatically make one product better for every use.
Which product is better overall?
Ultima Replenisher Electrolyte Mix earns the higher SLF comparison score based on the available formula, value, rating, and intended-use data. Liquid I.V. Energy Sugar-Free 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.