SLF Electrolyte Comparison · 2026
CVS Rapid Hydration Sugar Free
Hot-Weather Endurance · Exercise & Workouts · Travel
Check Price at CVSRead full review ↗
SALUD Hydration + Immunity
Everyday Hydration · Recovery · Travel
Check Price at CVSRead full review ↗SALUD Hydration + Immunity
Best overall data score for this matchup based on formula, value, rating, and intended use.
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At a Glance
A quick side-by-side look at nutrition, value, and overall performance.
| Feature | CVS Rapid Hydration Sugar Free | SALUD Hydration + Immunity | 🏆 Edge |
|---|---|---|---|
| Sodium | 510 mg | 130 mg | CVS Rapid Hydration Sugar Free |
| Potassium | Not listed | 200 mg | SALUD Hydration + Immunity |
| Magnesium | Not listed | 50 mg | SALUD Hydration + Immunity |
| Sugar | 0.0 g | 1.0 g | SALUD Hydration + Immunity |
| Calories | 0 | 20 | SALUD Hydration + Immunity |
| Sweetener | Sugar-free formula; exact current sweetener blend requires package-label verification | Cane Sugar and Stevia | Preference |
| Cost per serving | $1.67 | $1.19 | SALUD Hydration + Immunity |
| SLF rating | ★★★★☆3.5/5 | ★★★★★4.5/5 | SALUD Hydration + Immunity |
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.
Functional Ingredients
Additional active or performance-oriented ingredients recorded in the SLF database.
CVS Rapid Hydration Sugar Free
- Vitamins B3
- B5
- B6
- B12 and C
A strong CVS-exclusive value pick for sugar-free, high-sodium hydration and one of the most natural store-brand competitors to Liquid I.V. Sugar-Free.
SALUD Hydration + Immunity
- Wellmune Beta Glucan (250 mg)Coconut Water Powder (200 mg)Elderberry ExtractVitamin CAntioxidant Blend
Best for flavorful daily hydration and immunity support.
Key Differences
The most meaningful data-backed differences in this matchup.
CVS Rapid Hydration Sugar Free
Why it matters: Higher sodium can better replace larger sweat losses during prolonged exercise or heat.
CVS Rapid Hydration Sugar Free
Why it matters: Lower sugar may suit people prioritizing reduced-sugar hydration.
SALUD Hydration + Immunity
Why it matters: A lower cost per serving can make frequent use more practical.
CVS Rapid Hydration 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 CVS Rapid Hydration Sugar Free if…
- Hot-Weather Endurance
- Exercise & Workouts
- Travel
- Heat & Outdoor Work
- Keto & Low-Carb
- Cvs Shoppers Seeking Sugar Free Hydration For Travel
- Hot Weather Or Higher Sodium Electrolyte Replacement
A strong CVS-exclusive value pick for sugar-free, high-sodium hydration and one of the most natural store-brand competitors to Liquid I.V. Sugar-Free.
Choose SALUD Hydration + Immunity if…
- Everyday Hydration
- Recovery
- Travel
- Daily Wellnesstravelimmune Supportlight Workoutsfamilies Wanting Agua Fresca Flavors
- Wellness
- Kids
Best for flavorful daily hydration and immunity support.
Pros and Considerations
CVS Rapid Hydration Sugar Free
✓ Strengths
- Substantial sodium supports exercise and hot-weather hydration
- Sugar-free formula
● Keep in Mind
- Mineral amounts beyond sodium are not disclosed in the current SLF record
SALUD Hydration + Immunity
✓ Strengths
- Moderate sodium level suits everyday hydration needs
- Provides meaningful potassium
- Includes a useful amount of magnesium
● Keep in Mind
- Contains 1.0 g sugar per serving
SALUD Hydration + Immunity
SLF scoring considers nutrition, formula, price, certifications, intended use, and value.
Why it earns the edge
- Moderate sodium level suits everyday hydration needs
- Provides meaningful potassium
- Includes a useful amount of magnesium
Choose CVS Rapid Hydration Sugar Free instead if you:
- Hot-Weather Endurance
- Exercise & Workouts
- Travel
- Heat & Outdoor Work
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.
CVS Rapid Hydration Sugar Free
Check Price at CVS SALUD Hydration + Immunity
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?
CVS Rapid Hydration Sugar Free contains 510 mg of sodium per serving, compared with 130 mg. Higher sodium may be more useful when replacing larger sweat losses during prolonged exercise or hot conditions.
Which has less sugar?
SALUD Hydration + Immunity has less sugar at 1.0 g per serving, versus 0.0 g. This may matter for people limiting added sugar.
Which is less expensive per serving?
SALUD Hydration + Immunity is currently less expensive at $1.19 per serving, compared with $1.67. Pricing can change by retailer and package size.
What functional ingredients does each product include?
CVS Rapid Hydration Sugar Free lists Vitamins B3, B5, B6, B12 and C. SALUD Hydration + Immunity lists Wellmune Beta Glucan (250 mg)Coconut Water Powder (200 mg)Elderberry ExtractVitamin CAntioxidant Blend. Functional ingredients supplement the core electrolyte profile but do not automatically make one product better for every use.
Which product is better overall?
SALUD Hydration + Immunity earns the higher SLF comparison score based on the available formula, value, rating, and intended-use data. CVS Rapid Hydration Sugar Free 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.