SLF Electrolyte Comparison · 2026
Nuun Sport Electrolyte Tablets
Everyday Hydration · Exercise & Workouts · Travel
Check Price at CVSRead full review ↗
Powerade Zero
Hot-Weather Endurance · Everyday Hydration · Exercise & Workouts
Check Price at CVSRead 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 | Nuun Sport Electrolyte Tablets | Powerade Zero | 🏆 Edge |
|---|---|---|---|
| Sodium | 300 mg | 400 mg | Powerade Zero |
| Potassium | 150 mg | 130 mg | Nuun Sport Electrolyte Tablets |
| Magnesium | 17 mg | Not listed | Nuun Sport Electrolyte Tablets |
| Sugar | 1.0 g | 0.0 g | Nuun Sport Electrolyte Tablets |
| Calories | 15 | 0 | Nuun Sport Electrolyte Tablets |
| Sweetener | Stevia Leaf Extract | Sucralose and Acesulfame Potassium | Preference |
| Cost per serving | $0.70 | $1.99 | Nuun Sport Electrolyte Tablets |
| SLF rating | ★★★★★4.6/5 | ★★★★☆4.2/5 | Nuun Sport Electrolyte Tablets |
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.
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,…
Powerade Zero
- Vitamin C
- Vitamin B12
Best as a convenient budget sports drink, not as a premium or clean-label electrolyte.
Key Differences
The most meaningful data-backed differences in this matchup.
Powerade Zero
Why it matters: Higher sodium can better replace larger sweat losses during prolonged exercise or heat.
Powerade Zero
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.
Powerade Zero
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 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.
Choose Powerade Zero if…
- Hot-Weather Endurance
- Everyday Hydration
- Exercise & Workouts
- Travel
- Heat & Outdoor Work
- Keto & Low-Carb
- Budget Hydration
- Gym Workouts
Best as a convenient budget sports drink, not as a premium or clean-label electrolyte.
Pros and Considerations
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
Powerade Zero
✓ Strengths
- Moderate sodium level suits everyday hydration needs
- Sugar-free formula
- Fits keto and low-carbohydrate lifestyles
● Keep in Mind
- Magnesium amount is not disclosed in the current SLF record
- Premium cost 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 Powerade Zero instead if you:
- Hot-Weather Endurance
- Everyday Hydration
- Exercise & Workouts
- Travel
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.
Nuun Sport Electrolyte Tablets
Check Price at CVS Powerade Zero
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?
Powerade Zero contains 400 mg of sodium per serving, compared with 300 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 0.0 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 $1.99. Pricing can change by retailer and package size.
What functional ingredients does each product include?
Nuun Sport Electrolyte Tablets lists Electrolyte BlendSodium BicarbonatePotassium BicarbonateMagnesiumCalcium. Powerade Zero lists Vitamin C, Vitamin B12. 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. Powerade Zero 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.