SLF Electrolyte Comparison · 2026
Ultima Replenisher Electrolyte Mix
Everyday Hydration · Travel · Keto & Low-Carb
Check Price at CVSRead full review ↗
Well Market Replenish
Hot-Weather Endurance · Exercise & Workouts · Recovery
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.
Explore Both Brands
Continue to the full Brand Hubs for products, flavors, buying guides, and every published comparison.
At a Glance
A quick side-by-side look at nutrition, value, and overall performance.
| Feature | Ultima Replenisher Electrolyte Mix | Well Market Replenish | 🏆 Edge |
|---|---|---|---|
| Sodium | 55 mg | 530 mg | Well Market Replenish |
| Potassium | 250 mg | 380 mg | Well Market Replenish |
| Magnesium | 100 mg | Not listed | Ultima Replenisher Electrolyte Mix |
| Sugar | 0.0 g | 0.0 g | Tie |
| Calories | 0 | 15 | Well Market Replenish |
| Sweetener | Organic Stevia Leaf Extract | Allulose; Stevia leaf extract | Preference |
| Cost per serving | $0.56 | $1.45 | Ultima Replenisher Electrolyte Mix |
| SLF rating | ★★★★★4.7/5 | ★★★★☆4.4/5 | 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.
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…
Well Market Replenish
- Vitamin C 76 mg
- Niacin 24 mg
- Vitamin B6 2.5 mg
- Vitamin B12 8 mcg
- Pantothenic Acid 11.7 mg
Strong hydration and excellent CVS value, especially for shoppers wanting zero sugar and substantial sodium plus potassium.
Key Differences
The most meaningful data-backed differences in this matchup.
Well Market Replenish
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.
Well Market Replenish
Why it matters: Potassium supports fluid balance and normal muscle function.
Well Market Replenish
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 Well Market Replenish if…
- Hot-Weather Endurance
- Exercise & Workouts
- Recovery
- Travel
- Heat & Outdoor Work
- Keto & Low-Carb
- Hot Weather
- Heavier Sweating
Strong hydration and excellent CVS value, especially for shoppers wanting zero sugar and substantial sodium plus potassium.
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
Well Market Replenish
✓ Strengths
- Substantial sodium supports exercise and hot-weather hydration
- Sugar-free formula
- Provides meaningful potassium
- Fits keto and low-carbohydrate lifestyles
● Keep in Mind
- Magnesium amount is 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 Well Market Replenish instead if you:
- Hot-Weather Endurance
- Exercise & Workouts
- Recovery
- Travel
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 Well Market Replenish
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?
Well Market Replenish contains 530 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 $1.45. Pricing can change by retailer and package size.
What functional ingredients does each product include?
Ultima Replenisher Electrolyte Mix lists MagnesiumVitamin CZincElectrolyte BlendTrace Minerals. Well Market Replenish lists Vitamin C 76 mg, Niacin 24 mg, Vitamin B6 2.5 mg, Vitamin B12 8 mcg, Pantothenic Acid 11.7 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. Well Market Replenish may still be the better fit when its specific use cases align more closely with your needs.
Popular CVS Comparisons
Relevant brand matchups ranked by shopper interest and shown only for CVS.
Nutrition facts, pricing, and availability can change. Verify the current label before purchasing. This comparison is informational and is not medical advice.