SLF Electrolyte Comparison · 2026
Powerade Zero
Hot-Weather Endurance · Everyday Hydration · Exercise & Workouts
Check Current PriceRead full review ↗
Re-Lyte Hydration Electrolyte Mix
Hot-Weather Endurance · Endurance Athletes · Everyday Hydration
Check Current PriceRead full review ↗Re-Lyte Hydration Electrolyte Mix
Best overall data score for this matchup based on formula, value, rating, and intended use.
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Re-Lyte
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At a Glance
A quick side-by-side look at nutrition, value, and overall performance.
| Feature | Powerade Zero | Re-Lyte Hydration Electrolyte Mix | 🏆 Edge |
|---|---|---|---|
| Sodium | 400 mg | 810 mg | Re-Lyte Hydration Electrolyte Mix |
| Potassium | 130 mg | 400 mg | Re-Lyte Hydration Electrolyte Mix |
| Magnesium | Not listed | 50 mg | Re-Lyte Hydration Electrolyte Mix |
| Sugar | 0.0 g | 0.0 g | Tie |
| Calories | 0 | 0 | Tie |
| Sweetener | Sucralose and Acesulfame Potassium | Stevia Leaf Extract | Preference |
| Cost per serving | $1.99 | $0.67 | Re-Lyte Hydration Electrolyte Mix |
| SLF rating | ★★★★☆4.2/5 | ★★★★★4.9/5 | Re-Lyte Hydration Electrolyte Mix |
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.
Powerade Zero
- Vitamin C
- Vitamin B12
Best as a convenient budget sports drink, not as a premium or clean-label electrolyte.
Re-Lyte Hydration Electrolyte Mix
- Real Salt®Magnesium GlycinateMagnesium MalateCoconut Water PowderTrace Minerals
Re-Lyte is one of the best electrolyte powders available for people following keto or carnivore diets, practicing intermittent fasting, or training in hot conditions.…
Key Differences
The most meaningful data-backed differences in this matchup.
Re-Lyte Hydration Electrolyte Mix
Why it matters: Higher sodium can better replace larger sweat losses during prolonged exercise or heat.
Re-Lyte Hydration Electrolyte Mix
Why it matters: A lower cost per serving can make frequent use more practical.
Re-Lyte Hydration Electrolyte Mix
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 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.
Choose Re-Lyte Hydration Electrolyte Mix if…
- Hot-Weather Endurance
- Endurance Athletes
- Everyday Hydration
- Exercise & Workouts
- Recovery
- Travel
- Heat & Outdoor Work
- Keto & Low-Carb
Re-Lyte is one of the best electrolyte powders available for people following keto or carnivore diets, practicing intermittent fasting, or training in hot conditions. Its exceptionally high sodium content and clean ingredient profile make it a standout option for serious electrolyte replacement.
Pros and Considerations
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
Re-Lyte Hydration Electrolyte Mix
✓ Strengths
- Substantial sodium supports exercise and hot-weather hydration
- Sugar-free formula
- Provides meaningful potassium
- Includes a useful amount of magnesium
- Competitive cost per serving
● Keep in Mind
- Taste and electrolyte strength may not suit every preference
Re-Lyte Hydration Electrolyte Mix
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 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.
Powerade Zero
Check Price on Amazon Re-Lyte Hydration Electrolyte Mix
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?
Re-Lyte Hydration Electrolyte Mix contains 810 mg of sodium per serving, compared with 400 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?
Re-Lyte Hydration Electrolyte Mix is currently less expensive at $0.67 per serving, compared with $1.99. Pricing can change by retailer and package size.
What functional ingredients does each product include?
Powerade Zero lists Vitamin C, Vitamin B12. Re-Lyte Hydration Electrolyte Mix lists Real Salt®Magnesium GlycinateMagnesium MalateCoconut Water PowderTrace Minerals. Functional ingredients supplement the core electrolyte profile but do not automatically make one product better for every use.
Which product is better overall?
Re-Lyte Hydration Electrolyte Mix 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.