SLF Electrolyte Comparison · 2026
Cadence Core 500
Hot-Weather Endurance · Endurance Athletes · Everyday Hydration
Check Current PriceRead full review ↗
Ultima Replenisher Electrolyte Mix
Everyday Hydration · Travel · Keto & Low-Carb
Check Price at AmazonRead full review ↗Ultima Replenisher Electrolyte Mix
Best overall data score for this matchup based on formula, value, rating, and intended use.
Explore Both Brands
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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.
Ultima Replenisher Favorites
Raspberry
Bright berry flavor with tart raspberry notes and moderate sweetness.
Check Amazon Price → Read Raspberry Review →
Cherry Pomegranate
Sweet-tart blend of cherry and pomegranate with a bold fruit profile.
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Grape
Juicy grape flavor with a candy-like fruit profile and moderate sweetness.
Check Amazon Price → Read Grape Review →At a Glance
A quick side-by-side look at nutrition, value, and overall performance.
| Feature | Cadence Core 500 | Ultima Replenisher Electrolyte Mix | 🏆 Edge |
|---|---|---|---|
| Sodium | 500 mg | 55 mg | Cadence Core 500 |
| Potassium | 200 mg | 250 mg | Ultima Replenisher Electrolyte Mix |
| Magnesium | 20 mg | 100 mg | Ultima Replenisher Electrolyte Mix |
| Sugar | 0.0 g | 0.0 g | Tie |
| Calories | 0 | 0 | Tie |
| Sweetener | Natural sweetener not publicly specified | Organic Stevia Leaf Extract | Preference |
| Cost per serving | $1.50 | $0.56 | Ultima Replenisher Electrolyte Mix |
| SLF rating | ★★★★★4.6/5 | ★★★★★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.
Shop HydraPeak at CVSFunctional Ingredients
Additional active or performance-oriented ingredients recorded in the SLF database.
Cadence Core 500
- Core electrolyte blend
Best for training, endurance, heat, and active daily hydration.
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.
Cadence Core 500
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.
Ultima Replenisher Electrolyte Mix
Why it matters: Potassium supports fluid balance and normal muscle function.
Who Should Choose Each Product?
Use these guidelines to find the best fit for your hydration needs and lifestyle.
Choose Cadence Core 500 if…
- Hot-Weather Endurance
- Endurance Athletes
- Everyday Hydration
- Exercise & Workouts
- Travel
- Heat & Outdoor Work
- Keto & Low-Carb
- Training
Best for training, endurance, heat, and active daily hydration.
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
Cadence Core 500
✓ Strengths
- Substantial sodium supports exercise and hot-weather hydration
- Sugar-free formula
- Provides meaningful potassium
- Fits keto and low-carbohydrate lifestyles
● Keep in Mind
- Taste and electrolyte strength may not suit every preference
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 Cadence Core 500 instead if you:
- Hot-Weather Endurance
- Endurance Athletes
- Everyday Hydration
- Exercise & Workouts
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.
Cadence Core 500
Check Price on Amazon Ultima Replenisher Electrolyte 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?
Cadence Core 500 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 $1.50. Pricing can change by retailer and package size.
What functional ingredients does each product include?
Cadence Core 500 lists Core electrolyte blend. 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. Cadence Core 500 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.