SLF Electrolyte Comparison · 2026
BODYARMOR Flash I.V.
Heavy & Salty Sweaters · Exercise & Workouts · Travel
Check Price at CVSRead full review ↗
CVS Rapid Hydration Sugar Free
Hot-Weather Endurance · Exercise & Workouts · Travel
Check Price at CVSRead full review ↗BODYARMOR Flash I.V.
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 | BODYARMOR Flash I.V. | CVS Rapid Hydration Sugar Free | 🏆 Edge |
|---|---|---|---|
| Sodium | 500 mg | 510 mg | CVS Rapid Hydration Sugar Free |
| Potassium | 700 mg | Not listed | BODYARMOR Flash I.V. |
| Magnesium | 65 mg | Not listed | BODYARMOR Flash I.V. |
| Sugar | 0.0 g | 0.0 g | Tie |
| Calories | 10 | 0 | BODYARMOR Flash I.V. |
| Sweetener | Stevia Leaf Extract | Sugar-free formula; exact current sweetener blend requires package-label verification | Preference |
| Cost per serving | $1.08 | $1.67 | BODYARMOR Flash I.V. |
| SLF rating | ★★★★☆4.0/5 | ★★★★☆3.5/5 | BODYARMOR Flash I.V. |
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.
BODYARMOR Flash I.V.
- Coconut Water Powder
- Vitamin C
- Vitamin B3
- Vitamin B6
- Vitamin B12
- Zinc
- Electrolyte Blend
BODYARMOR Flash I.V. is a strong zero-sugar, performance-ready choice for athletes, heavy sweaters, travel, heat., but it is less compelling for low sodium diets..
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.
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.
BODYARMOR Flash I.V.
Why it matters: A lower cost per serving can make frequent use more practical.
BODYARMOR Flash I.V.
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 BODYARMOR Flash I.V. if…
- Heavy & Salty Sweaters
- Exercise & Workouts
- Travel
- Keto & Low-Carb
- Fasting
- Athletes
- Heat.
- Sweating
BODYARMOR Flash I.V. is a strong zero-sugar, performance-ready choice for athletes, heavy sweaters, travel, heat., but it is less compelling for low sodium diets..
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.
Pros and Considerations
BODYARMOR Flash I.V.
✓ 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
- Taste and electrolyte strength may not suit every preference
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
BODYARMOR Flash I.V.
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
- 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.
BODYARMOR Flash I.V.
Check Price at CVS CVS Rapid Hydration 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?
CVS Rapid Hydration Sugar Free contains 510 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?
BODYARMOR Flash I.V. is currently less expensive at $1.08 per serving, compared with $1.67. Pricing can change by retailer and package size.
What functional ingredients does each product include?
BODYARMOR Flash I.V. lists Coconut Water Powder, Vitamin C, Vitamin B3, Vitamin B6, Vitamin B12, Zinc. CVS Rapid Hydration Sugar Free lists Vitamins B3, B5, B6, B12 and C. Functional ingredients supplement the core electrolyte profile but do not automatically make one product better for every use.
Which product is better overall?
BODYARMOR Flash I.V. 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.