SLF Electrolyte Comparison · 2026

BODYARMOR Flash I.V.
Heavy & Salty Sweaters · Exercise & Workouts · Travel
Check Current PriceRead full review ↗
Gnarly Nutrition Hydrate
Hot-Weather Endurance · Endurance Athletes · Everyday Hydration
Check Current PriceRead full review ↗Gnarly Nutrition Hydrate
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 | BODYARMOR Flash I.V. | Gnarly Nutrition Hydrate | 🏆 Edge |
|---|---|---|---|
| Sodium | 500 mg | 250 mg | BODYARMOR Flash I.V. |
| Potassium | 700 mg | 100 mg | BODYARMOR Flash I.V. |
| Magnesium | 65 mg | 80 mg | Gnarly Nutrition Hydrate |
| Sugar | 0.0 g | 4.0 g | Gnarly Nutrition Hydrate |
| Calories | 10 | 30 | BODYARMOR Flash I.V. |
| Sweetener | Stevia Leaf Extract | Organic cane sugar + stevia | Preference |
| Cost per serving | $1.08 | $0.95 | Gnarly Nutrition Hydrate |
| SLF rating | ★★★★☆4.0/5 | ★★★★★4.7/5 | Gnarly Nutrition Hydrate |

Hydra Cup ShakerShark 28 oz Shaker Bottle 2-Pack
A 28 oz shaker designed with a weighted mixing whisk to blend protein, electrolytes, collagen, and workout hydration powders with less shaking and fewer clumps.
Shop at AmazonFunctional 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..
Gnarly Nutrition Hydrate
- ConcenTrace® Trace Mineral Complex
- B Vitamins
- Sea Salt
- Electrolytes
- Organic Cane Sugar
Gnarly is a strong clean-label choice for endurance sports, but it is less compelling for keto diets.
Key Differences
The most meaningful data-backed differences in this matchup.
BODYARMOR Flash I.V.
Why it matters: Higher sodium can better replace larger sweat losses during prolonged exercise or heat.
BODYARMOR Flash I.V.
Why it matters: Lower sugar may suit people prioritizing reduced-sugar hydration.
Gnarly Nutrition Hydrate
Why it matters: A lower cost per serving can make frequent use more practical.
BODYARMOR Flash I.V.
Why it matters: Potassium supports fluid balance and normal muscle function.
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 Gnarly Nutrition Hydrate if…
- Hot-Weather Endurance
- Endurance Athletes
- Everyday Hydration
- Exercise & Workouts
- Recovery
- Travel
- Heat & Outdoor Work
- Trail Running
Gnarly is a strong clean-label choice for endurance sports, but it is less compelling for keto diets.
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
Gnarly Nutrition Hydrate
✓ Strengths
- Moderate sodium level suits everyday hydration needs
- Includes a useful amount of magnesium
- Competitive cost per serving
- Third-party sport certification is reported
● Keep in Mind
- Contains 4.0 g sugar per serving
Gnarly Nutrition Hydrate
SLF scoring considers nutrition, formula, price, certifications, intended use, and value.
Why it earns the edge
- Moderate sodium level suits everyday hydration needs
- Includes a useful amount of magnesium
- Competitive cost per serving
- Third-party sport certification is reported
Choose BODYARMOR Flash I.V. instead if you:
- Heavy & Salty Sweaters
- 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.
BODYARMOR Flash I.V.
Check Price on Amazon
Gnarly Nutrition Hydrate
Check Price on AmazonFind 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?
BODYARMOR Flash I.V. contains 500 mg of sodium per serving, compared with 250 mg. Higher sodium may be more useful when replacing larger sweat losses during prolonged exercise or hot conditions.
Which has less sugar?
Gnarly Nutrition Hydrate has less sugar at 4.0 g per serving, versus 0.0 g. This may matter for people limiting added sugar.
Which is less expensive per serving?
Gnarly Nutrition Hydrate is currently less expensive at $0.95 per serving, compared with $1.08. 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. Gnarly Nutrition Hydrate lists ConcenTrace® Trace Mineral Complex, B Vitamins, Sea Salt, Electrolytes, Organic Cane Sugar. Functional ingredients supplement the core electrolyte profile but do not automatically make one product better for every use.
Which product is better overall?
Gnarly Nutrition Hydrate earns the higher SLF comparison score based on the available formula, value, rating, and intended-use data. BODYARMOR Flash I.V. 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.







