SLF Electrolyte Comparison · 2026
Powerade Zero
Hot-Weather Endurance · Everyday Hydration · Exercise & Workouts
Check Current PriceRead full review ↗
Buoy Hydration Drops
Everyday Hydration · Travel · Keto & Low-Carb
Check Current PriceRead full review ↗Buoy Hydration Drops
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 | Powerade Zero | Buoy Hydration Drops | 🏆 Edge |
|---|---|---|---|
| Sodium | 400 mg | 50 mg | Powerade Zero |
| Potassium | 130 mg | 44 mg | Powerade Zero |
| Magnesium | Not listed | 10 mg | Buoy Hydration Drops |
| Sugar | 0.0 g | 0.0 g | Tie |
| Calories | 0 | 0 | Tie |
| Sweetener | Sucralose and Acesulfame Potassium | None | Preference |
| Cost per serving | $1.99 | $0.17 | Buoy Hydration Drops |
| SLF rating | ★★★★☆4.2/5 | ★★★★☆4.4/5 | Buoy Hydration Drops |
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.
Powerade Zero
- Vitamin C
- Vitamin B12
Best as a convenient budget sports drink, not as a premium or clean-label electrolyte.
Buoy Hydration Drops
- Fulvic Trace MineralsMagnesiumPotassiumIonic ElectrolytesTrace Minerals
Buoy is one of the most versatile electrolyte products available. It delivers clean hydration without changing the taste of your drink, making it ideal…
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.
Buoy Hydration Drops
Why it matters: A lower cost per serving can make frequent use more practical.
Powerade Zero
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 Buoy Hydration Drops if…
- Everyday Hydration
- Travel
- Keto & Low-Carb
- Fasting
- Daily Hydration
- Low Carb Diets
- Coffee Drinkers
- Water Enhancement
Buoy is one of the most versatile electrolyte products available. It delivers clean hydration without changing the taste of your drink, making it ideal for people who dislike flavored electrolyte mixes or want hydration throughout the day.
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
Buoy Hydration Drops
✓ Strengths
- Moderate sodium level suits everyday hydration needs
- Sugar-free formula
- Competitive cost per serving
- Fits keto and low-carbohydrate lifestyles
● Keep in Mind
- Taste and electrolyte strength may not suit every preference
Buoy Hydration Drops
SLF scoring considers nutrition, formula, price, certifications, intended use, and value.
Why it earns the edge
- Moderate sodium level suits everyday hydration needs
- Sugar-free formula
- 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.
Powerade Zero
Check Price on Amazon Buoy Hydration Drops
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?
Powerade Zero contains 400 mg of sodium per serving, compared with 50 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?
Buoy Hydration Drops is currently less expensive at $0.17 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. Buoy Hydration Drops lists Fulvic Trace MineralsMagnesiumPotassiumIonic ElectrolytesTrace Minerals. Functional ingredients supplement the core electrolyte profile but do not automatically make one product better for every use.
Which product is better overall?
Buoy Hydration Drops 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.