SLF Electrolyte Comparison · 2026
XTEND Healthy Hydration
Hot-Weather Endurance · Everyday Hydration · Exercise & Workouts
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.
Check Amazon Price → Read Cherry Pomegranate Review →
Grape
Juicy grape flavor with a candy-like fruit profile and moderate sweetness.
Check Amazon Price → Read Grape Review →Watch Product Overviews
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Ultima
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At a Glance
A quick side-by-side look at nutrition, value, and overall performance.
| Feature | XTEND Healthy Hydration | Ultima Replenisher Electrolyte Mix | 🏆 Edge |
|---|---|---|---|
| Sodium | 450 mg | 55 mg | XTEND Healthy Hydration |
| Potassium | 380 mg | 250 mg | XTEND Healthy Hydration |
| Magnesium | 40 mg | 100 mg | Ultima Replenisher Electrolyte Mix |
| Sugar | 0.0 g | 0.0 g | Tie |
| Calories | 5 | 0 | XTEND Healthy Hydration |
| Sweetener | Sucralose and Acesulfame Potassium | Organic Stevia Leaf Extract | Preference |
| Cost per serving | $1.25 | $0.56 | Ultima Replenisher Electrolyte Mix |
| SLF rating | ★★★★☆4.4/5 | ★★★★★4.7/5 | Ultima Replenisher Electrolyte Mix |
Hydra Cup ShakerShark 28 oz Shaker Bottle 2-Pack
A 28 oz shaker designed with a weighted mixing whisk to blend protein, electrolytes, collagen, and workout hydration powders with less shaking and fewer clumps.
Shop at AmazonFunctional Ingredients
Additional active or performance-oriented ingredients recorded in the SLF database.
XTEND Healthy Hydration
- Phosphorus (120 mg)
- Vitamin D
- Vitamin E
- Niacin
- Vitamin B6
- Vitamin B12
- Pantothenic Acid
Best for workout, heat, travel, and general sports 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.
XTEND Healthy Hydration
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.
XTEND Healthy Hydration
Why it matters: Potassium supports fluid balance and normal muscle function.
XTEND Healthy Hydration
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 XTEND Healthy Hydration if…
- Hot-Weather Endurance
- Everyday Hydration
- Exercise & Workouts
- Recovery
- Travel
- Heat & Outdoor Work
- Keto & Low-Carb
- Daily Sports Hydration
Best for workout, heat, travel, and general sports 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
XTEND Healthy Hydration
✓ Strengths
- Moderate sodium level suits everyday hydration needs
- 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 XTEND Healthy Hydration instead if you:
- Hot-Weather Endurance
- Everyday Hydration
- Exercise & Workouts
- Recovery
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.
XTEND Healthy Hydration
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?
XTEND Healthy Hydration contains 450 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 $1.25. Pricing can change by retailer and package size.
What functional ingredients does each product include?
XTEND Healthy Hydration lists Phosphorus (120 mg), Vitamin D, Vitamin E, Niacin, Vitamin B6, Vitamin B12. 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. XTEND Healthy Hydration 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.