SLF Electrolyte Comparison · 2026
Zarbee's Kids Hydration
Hot-Weather Endurance · Everyday Hydration · Recovery
Check Price at CVSRead full review ↗
GHOST Hydration
Hot-Weather Endurance · Everyday Hydration · Exercise & Workouts
Check Price at CVSRead full review ↗GHOST Hydration
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 | Zarbee's Kids Hydration | GHOST Hydration | 🏆 Edge |
|---|---|---|---|
| Sodium | 160 mg | 40 mg | Zarbee's Kids Hydration |
| Potassium | 90 mg | 700 mg | GHOST Hydration |
| Magnesium | Not listed | 126 mg | GHOST Hydration |
| Sugar | 2.0 g | 0.0 g | Zarbee's Kids Hydration |
| Calories | 10 | 15 | Zarbee's Kids Hydration |
| Sweetener | Dextrose, Monk Fruit Juice Concentrate, and Reb M | Sucralose and Acesulfame Potassium | Preference |
| Cost per serving | $1.99 | $2.50 | Zarbee's Kids Hydration |
| SLF rating | ★★★★☆4.4/5 | ★★★★☆4.4/5 | Tie |
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.
Zarbee's Kids Hydration
- Gum Acacia Prebiotic
- Zinc Gluconate
- Dextrose for glucose-assisted hydration
Best for families needing a portable, ready-to-drink hydration pouch for children age 1 and older.
GHOST Hydration
- Vitamin C (90 mg)
- Vitamin B6 (1.7 mg)
- Vitamin B12 (2.4 mcg)
- 996 mg total electrolytes
Best for high-potassium daily hydration and light activity.
Key Differences
The most meaningful data-backed differences in this matchup.
Zarbee's Kids Hydration
Why it matters: Higher sodium can better replace larger sweat losses during prolonged exercise or heat.
GHOST Hydration
Why it matters: Lower sugar may suit people prioritizing reduced-sugar hydration.
Zarbee's Kids Hydration
Why it matters: A lower cost per serving can make frequent use more practical.
GHOST Hydration
Why it matters: Potassium supports fluid balance and normal muscle function.
GHOST Hydration
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 Zarbee's Kids Hydration if…
- Hot-Weather Endurance
- Everyday Hydration
- Recovery
- Travel
- Heat & Outdoor Work
- Mild To Moderate Dehydration
- Illness Recovery
- Children Ages 1 And Older
Best for families needing a portable, ready-to-drink hydration pouch for children age 1 and older.
Choose GHOST Hydration if…
- Hot-Weather Endurance
- Everyday Hydration
- Exercise & Workouts
- Travel
- Heat & Outdoor Work
- Keto & Low-Carb
- Fasting
- Daily Hydration
Best for high-potassium daily hydration and light activity.
Pros and Considerations
Zarbee's Kids Hydration
✓ Strengths
- Moderate sodium level suits everyday hydration needs
● Keep in Mind
- Contains 2.0 g sugar per serving
- Magnesium amount is not disclosed in the current SLF record
- Premium cost per serving
GHOST Hydration
✓ Strengths
- Moderate sodium level suits everyday hydration needs
- Sugar-free formula
- Provides meaningful potassium
- Includes a useful amount of magnesium
- Fits keto and low-carbohydrate lifestyles
● Keep in Mind
- Premium cost per serving
GHOST Hydration
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
- Provides meaningful potassium
- Includes a useful amount of magnesium
Choose Zarbee's Kids Hydration instead if you:
- Hot-Weather Endurance
- Everyday Hydration
- Recovery
- 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.
Zarbee's Kids Hydration
Check Price at CVS GHOST Hydration
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?
Zarbee's Kids Hydration contains 160 mg of sodium per serving, compared with 40 mg. Higher sodium may be more useful when replacing larger sweat losses during prolonged exercise or hot conditions.
Which has less sugar?
Zarbee's Kids Hydration has less sugar at 2.0 g per serving, versus 0.0 g. This may matter for people limiting added sugar.
Which is less expensive per serving?
Zarbee's Kids Hydration is currently less expensive at $1.99 per serving, compared with $2.50. Pricing can change by retailer and package size.
What functional ingredients does each product include?
Zarbee's Kids Hydration lists Gum Acacia Prebiotic, Zinc Gluconate, Dextrose for glucose-assisted hydration. GHOST Hydration lists Vitamin C (90 mg), Vitamin B6 (1.7 mg), Vitamin B12 (2.4 mcg), 996 mg total electrolytes. Functional ingredients supplement the core electrolyte profile but do not automatically make one product better for every use.
Which product is better overall?
GHOST Hydration earns the higher SLF comparison score based on the available formula, value, rating, and intended-use data. Zarbee's Kids Hydration 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.