SLF Electrolyte Comparison · 2026
Ultima Replenisher Electrolyte Mix
Everyday Hydration · Travel · Keto & Low-Carb
Check Price at CVSRead full review ↗
Spark Energy + Focus
Everyday Hydration · Keto & Low-Carb · Adults Seeking Convenient Energy And Focus Support Without Sugar
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 | Ultima Replenisher Electrolyte Mix | Spark Energy + Focus | 🏆 Edge |
|---|---|---|---|
| Sodium | 55 mg | Not listed | Ultima Replenisher Electrolyte Mix |
| Potassium | 250 mg | Not listed | Ultima Replenisher Electrolyte Mix |
| Magnesium | 100 mg | Not listed | Ultima Replenisher Electrolyte Mix |
| Sugar | 0.0 g | 0.0 g | Tie |
| Calories | 0 | 15 | Spark Energy + Focus |
| Sweetener | Organic Stevia Leaf Extract | Sucralose | Preference |
| Cost per serving | $0.56 | $0.60 | Ultima Replenisher Electrolyte Mix |
| SLF rating | ★★★★★4.7/5 | ★★★★☆4.1/5 | 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.
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…
Spark Energy + Focus
- Vitamin A (beta carotene) 300 mcg
- Vitamin C (ascorbic acid) 180 mg
- Vitamin E (d-alpha tocopheryl acetate) 20 mg
- Thiamine (thiamine HCl) 3 mg
- Riboflavin 3.4 mg
- Niacin (niacinamide) 60 mg
- Vitamin B6 (pyridoxine HCl) 15 mg
- Vitamin B12 (cyanocobalamin) 45 mcg
- Pantothenic acid (d-calcium pantothenate) 50 mg
- Choline (bitartrate and citrate) 500 mg
- Zinc (zinc monomethionine) 3 mg
- Copper (copper glycinate) 200 mcg
- Chromium (chromium citrate) 24 mcg
- L-Tyrosine 500 mg
- Taurine 200 mg
- Caffeine 120 mg
- Glycine 100 mg
- L-Carnitine (tartrate) 10 mg
- Inositol 10 mg
A strong zero-sugar energy-and-focus powder, but its formula is built around caffeine, amino acids and vitamins—not electrolyte replacement.
Key Differences
The most meaningful data-backed differences in this matchup.
Ultima Replenisher Electrolyte Mix
Why it matters: A lower cost per serving can make frequent use more practical.
Spark Energy + Focus
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 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.
Choose Spark Energy + Focus if…
- Everyday Hydration
- Keto & Low-Carb
- Adults Seeking Convenient Energy And Focus Support Without Sugar
- Especially For Work
- Study Or Pre Workout Use.
A strong zero-sugar energy-and-focus powder, but its formula is built around caffeine, amino acids and vitamins—not electrolyte replacement.
Pros and Considerations
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
Spark Energy + Focus
✓ Strengths
- Sugar-free formula
- Competitive cost per serving
● Keep in Mind
- Mineral amounts beyond sodium are not disclosed in the current SLF record
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 Spark Energy + Focus instead if you:
- Everyday Hydration
- Keto & Low-Carb
- Adults Seeking Convenient Energy And Focus Support Without Sugar
- Especially For Work
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.
Ultima Replenisher Electrolyte Mix
Check Price at CVS Spark Energy + Focus
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?
Ultima Replenisher Electrolyte Mix contains 55 mg of sodium per serving, compared with Not listed. 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 $0.60. Pricing can change by retailer and package size.
What functional ingredients does each product include?
Ultima Replenisher Electrolyte Mix lists MagnesiumVitamin CZincElectrolyte BlendTrace Minerals. Spark Energy + Focus lists Vitamin A (beta carotene) 300 mcg, Vitamin C (ascorbic acid) 180 mg, Vitamin E (d-alpha tocopheryl acetate) 20 mg, Thiamine (thiamine HCl) 3 mg, Riboflavin 3.4 mg, Niacin (niacinamide) 60 mg. 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. Spark Energy + Focus 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.