SLF Electrolyte Comparison · 2026

CVS Rapid Hydration Sugar Free
Hot-Weather Endurance · Exercise & Workouts · Travel
Check Price at CVSRead full review ↗
Pedialyte Sport Powder
Hot-Weather Endurance · Endurance Athletes · Everyday Hydration
Check Price at CVSRead full review ↗Pedialyte Sport Powder
Best overall data score for this matchup based on formula, value, rating, and intended use.
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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 | CVS Rapid Hydration Sugar Free | Pedialyte Sport Powder | 🏆 Edge |
|---|---|---|---|
| Sodium | 510 mg | 650 mg | Pedialyte Sport Powder |
| Potassium | Not listed | 600 mg | Pedialyte Sport Powder |
| Magnesium | Not listed | 55 mg | Pedialyte Sport Powder |
| Sugar | 0.0 g | 7.0 g | Pedialyte Sport Powder |
| Calories | 0 | 40 | Pedialyte Sport Powder |
| Sweetener | Sugar-free formula; exact current sweetener blend requires package-label verification | Sucralose + Acesulfame Potassium | Preference |
| Cost per serving | $1.67 | $1.50 | Pedialyte Sport Powder |
| SLF rating | ★★★★☆3.5/5 | ★★★★★4.7/5 | Pedialyte Sport Powder |

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.
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.
Pedialyte Sport Powder
No additional functional ingredients are currently listed in the SLF database.
Pedialyte Sport is a strong performance-ready choice for endurance sports, but it is less compelling for keto diets.
Key Differences
The most meaningful data-backed differences in this matchup.
Pedialyte Sport Powder
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.
Pedialyte Sport Powder
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 Pedialyte Sport Powder if…
- Hot-Weather Endurance
- Endurance Athletes
- Everyday Hydration
- Exercise & Workouts
- Recovery
- Travel
- Heat & Outdoor Work
- Fasting
Pedialyte Sport is a strong performance-ready choice for endurance sports, but it is less compelling for keto diets.
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
Pedialyte Sport Powder
✓ Strengths
- Substantial sodium supports exercise and hot-weather hydration
- Provides meaningful potassium
- Includes a useful amount of magnesium
● Keep in Mind
- Contains 7.0 g sugar per serving
Pedialyte Sport Powder
SLF scoring considers nutrition, formula, price, certifications, intended use, and value.
Why it earns the edge
- Substantial sodium supports exercise and hot-weather hydration
- 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
Pedialyte Sport Powder
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?
Pedialyte Sport Powder contains 650 mg of sodium per serving, compared with 510 mg. Higher sodium may be more useful when replacing larger sweat losses during prolonged exercise or hot conditions.
Which has less sugar?
Pedialyte Sport Powder has less sugar at 7.0 g per serving, versus 0.0 g. This may matter for people limiting added sugar.
Which is less expensive per serving?
Pedialyte Sport Powder is currently less expensive at $1.50 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. Pedialyte Sport Powder lists no additional functional ingredients in the current record. Functional ingredients supplement the core electrolyte profile but do not automatically make one product better for every use.
Which product is better overall?
Pedialyte Sport Powder 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.
Nutrition facts, pricing, and availability can change. Verify the current label before purchasing. This comparison is informational and is not medical advice.



