SLF Electrolyte Comparison · 2026
XTEND Healthy Hydration
Hot-Weather Endurance · Everyday Hydration · Exercise & Workouts
Check Price at TargetRead full review ↗
Ultima Replenisher Electrolyte Mix
Everyday Hydration · Travel · Keto & Low-Carb
Check Price at TargetRead full review ↗XTEND Healthy Hydration
Best overall data score for this matchup based on formula, rating, and intended use.
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At a Glance
A quick side-by-side look at nutrition 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 |
| SLF rating | ★★★★☆4.4/5 | ★★★★★4.7/5 | Ultima Replenisher Electrolyte Mix |
Outdoor Products Tadpole 3.5L Hydration Pack
A compact hydration pack with hands-free water access and lightweight storage for hiking, running, cycling and outdoor training.
Shop at TargetFunctional 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.
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
- Fits keto and low-carbohydrate lifestyles
● Keep in Mind
- Taste and electrolyte strength may not suit every preference
XTEND Healthy Hydration
SLF scoring considers nutrition, formula, certifications, rating, and intended use.
Why it earns the edge
- Moderate sodium level suits everyday hydration needs
- Sugar-free formula
- Provides meaningful potassium
- Fits keto and low-carbohydrate lifestyles
Choose Ultima Replenisher Electrolyte Mix instead if you:
- Everyday Hydration
- Travel
- Keto & Low-Carb
- Low Sodium Diets
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 at Target Ultima Replenisher Electrolyte Mix
Check Price at TargetFind 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.
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?
XTEND Healthy Hydration earns the higher SLF comparison score based on the available formula, rating, and intended-use data. Ultima Replenisher Electrolyte Mix may still be the better fit when its specific use cases align more closely with your needs.
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Nutrition facts and availability can change. Verify the current label and purchase details with Target before purchasing. This comparison is informational and is not medical advice.