SLF Electrolyte Comparison · 2026
Well Market Replenish
Hot-Weather Endurance · Exercise & Workouts · Recovery
Check Price at CVSRead full review ↗
Liquid I.V. Energy Sugar-Free
Everyday Hydration · Exercise & Workouts · Travel
Check Price at CVSRead full review ↗Well Market Replenish
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 | Well Market Replenish | Liquid I.V. Energy Sugar-Free | 🏆 Edge |
|---|---|---|---|
| Sodium | 530 mg | 500 mg | Well Market Replenish |
| Potassium | 380 mg | 370 mg | Well Market Replenish |
| Magnesium | Not listed | 85 mg | Liquid I.V. Energy Sugar-Free |
| Sugar | 0.0 g | 0.0 g | Tie |
| Calories | 15 | 20 | Well Market Replenish |
| Sweetener | Allulose; Stevia leaf extract | Allulose, stevia leaf extract | Preference |
| Cost per serving | $1.45 | $1.78 | Well Market Replenish |
| SLF rating | ★★★★☆4.4/5 | ★★★★☆4.0/5 | Well Market Replenish |
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.
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.
Liquid I.V. Energy Sugar-Free
- 200 mg L-theanine
- Coffeeberry Energy coffee fruit extract
- CognatiQ coffee fruit extract
- vitamin C
- vitamins B3
- B5
- B6 and B12
- amino acids L-glutamine and L-alanine
A compelling hydration-plus-energy formula with considerably more hydration emphasis than a conventional energy drink and a moderate 100 mg caffeine dose balanced by 200…
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.
Well Market Replenish
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.
Liquid I.V. Energy Sugar-Free
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 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.
Choose Liquid I.V. Energy Sugar-Free if…
- Everyday Hydration
- Exercise & Workouts
- Travel
- Keto & Low-Carb
- Adults Seeking Balanced Energy For Work
- Social Occasions Or Afternoon Slumps While Also Getting Substantial Electrolyte Support
- Energy
- Hydration
A compelling hydration-plus-energy formula with considerably more hydration emphasis than a conventional energy drink and a moderate 100 mg caffeine dose balanced by 200 mg L-theanine.
Pros and Considerations
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
Liquid I.V. Energy Sugar-Free
✓ Strengths
- Substantial sodium supports exercise and hot-weather hydration
- Sugar-free formula
- Provides meaningful potassium
- Includes a useful amount of magnesium
- Fits keto and low-carbohydrate lifestyles
● Keep in Mind
- Premium cost per serving
Well Market Replenish
SLF scoring considers nutrition, formula, price, certifications, intended use, and value.
Why it earns the edge
- Substantial sodium supports exercise and hot-weather hydration
- Sugar-free formula
- Provides meaningful potassium
- Fits keto and low-carbohydrate lifestyles
Choose Liquid I.V. Energy Sugar-Free instead if you:
- Everyday Hydration
- Exercise & Workouts
- Travel
- Keto & Low-Carb
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.
Well Market Replenish
Check Price at CVS Liquid I.V. Energy Sugar-Free
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 500 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?
Well Market Replenish is currently less expensive at $1.45 per serving, compared with $1.78. Pricing can change by retailer and package size.
What functional ingredients does each product include?
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. Liquid I.V. Energy Sugar-Free lists 200 mg L-theanine, Coffeeberry Energy coffee fruit extract, CognatiQ coffee fruit extract, vitamin C, vitamins B3, B5. Functional ingredients supplement the core electrolyte profile but do not automatically make one product better for every use.
Which product is better overall?
Well Market Replenish earns the higher SLF comparison score based on the available formula, value, rating, and intended-use data. Liquid I.V. Energy Sugar-Free 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.