SLF Electrolyte Comparison · 2026

Gnarly Nutrition Hydrate
Hot-Weather Endurance · Endurance Athletes · Everyday Hydration
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Nuun Sport Electrolyte Tablets
Everyday Hydration · Exercise & Workouts · Travel
Check Current PriceRead full review ↗Nuun Sport Electrolyte Tablets
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 | Gnarly Nutrition Hydrate | Nuun Sport Electrolyte Tablets | 🏆 Edge |
|---|---|---|---|
| Sodium | 250 mg | 300 mg | Nuun Sport Electrolyte Tablets |
| Potassium | 100 mg | 150 mg | Nuun Sport Electrolyte Tablets |
| Magnesium | 80 mg | 17 mg | Gnarly Nutrition Hydrate |
| Sugar | 4.0 g | 1.0 g | Nuun Sport Electrolyte Tablets |
| Calories | 30 | 15 | Nuun Sport Electrolyte Tablets |
| Sweetener | Organic cane sugar + stevia | Stevia Leaf Extract | Preference |
| Cost per serving | $0.95 | $0.70 | Nuun Sport Electrolyte Tablets |
| SLF rating | ★★★★★4.7/5 | ★★★★★4.6/5 | Gnarly Nutrition Hydrate |

VELOMIX Insulated Stainless Steel Shaker Bottle
A 24 oz insulated stainless steel shaker bottle designed to keep drinks cold while mixing protein, electrolytes, and workout hydration on the go.
Functional Ingredients
Additional active or performance-oriented ingredients recorded in the SLF database.
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.
Nuun Sport Electrolyte Tablets
- Electrolyte BlendSodium BicarbonatePotassium BicarbonateMagnesiumCalcium
Nuun Sport is one of the best electrolyte tablets for people who want convenient, low-sugar hydration. Its balanced formula works well for hiking, travel,…
Key Differences
The most meaningful data-backed differences in this matchup.
Nuun Sport Electrolyte Tablets
Why it matters: Higher sodium can better replace larger sweat losses during prolonged exercise or heat.
Nuun Sport Electrolyte Tablets
Why it matters: Lower sugar may suit people prioritizing reduced-sugar hydration.
Nuun Sport Electrolyte Tablets
Why it matters: A lower cost per serving can make frequent use more practical.
Nuun Sport Electrolyte Tablets
Why it matters: Potassium supports fluid balance and normal muscle function.
Gnarly Nutrition Hydrate
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 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.
Choose Nuun Sport Electrolyte Tablets if…
- Everyday Hydration
- Exercise & Workouts
- Travel
- Daily Hydration
- Cycling
- Hiking
- Running
- Light Workouts
Nuun Sport is one of the best electrolyte tablets for people who want convenient, low-sugar hydration. Its balanced formula works well for hiking, travel, cycling, and everyday workouts, though athletes with heavy sweat loss may benefit from higher-sodium products like LMNT.
Pros and Considerations
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
Nuun Sport Electrolyte Tablets
✓ Strengths
- Moderate sodium level suits everyday hydration needs
- Competitive cost per serving
- Fits keto and low-carbohydrate lifestyles
● Keep in Mind
- Contains 1.0 g sugar per serving
Nuun Sport Electrolyte Tablets
SLF scoring considers nutrition, formula, price, certifications, intended use, and value.
Why it earns the edge
- Moderate sodium level suits everyday hydration needs
- Competitive cost per serving
- Fits keto and low-carbohydrate lifestyles
Choose Gnarly Nutrition Hydrate instead if you:
- Hot-Weather Endurance
- Endurance Athletes
- Everyday Hydration
- Exercise & Workouts
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.
Gnarly Nutrition Hydrate
Check Price on Amazon
Nuun Sport Electrolyte Tablets
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?
Nuun Sport Electrolyte Tablets contains 300 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?
Nuun Sport Electrolyte Tablets has less sugar at 1.0 g per serving, versus 4.0 g. This may matter for people limiting added sugar.
Which is less expensive per serving?
Nuun Sport Electrolyte Tablets is currently less expensive at $0.70 per serving, compared with $0.95. Pricing can change by retailer and package size.
What functional ingredients does each product include?
Gnarly Nutrition Hydrate lists ConcenTrace® Trace Mineral Complex, B Vitamins, Sea Salt, Electrolytes, Organic Cane Sugar. Nuun Sport Electrolyte Tablets lists Electrolyte BlendSodium BicarbonatePotassium BicarbonateMagnesiumCalcium. Functional ingredients supplement the core electrolyte profile but do not automatically make one product better for every use.
Which product is better overall?
Nuun Sport Electrolyte Tablets earns the higher SLF comparison score based on the available formula, value, rating, and intended-use data. Gnarly Nutrition Hydrate 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.






