SLF Electrolyte Comparison · 2026
True Lemon Kids Hydration
Everyday Hydration · Travel · Encouraging Children To Drink More Water
Check Price at WalmartRead full review ↗
Ultima Replenisher Electrolyte Mix
Everyday Hydration · Travel · Keto & Low-Carb
Check Price at WalmartRead full review ↗Ultima Replenisher Electrolyte Mix
Best overall data score for this matchup based on formula, value, rating, and intended use.
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Continue to the full Brand Hubs for products, flavors, buying guides, and every published comparison.
At a Glance
A quick side-by-side look at nutrition, value, and overall performance.
| Feature | True Lemon Kids Hydration | Ultima Replenisher Electrolyte Mix | 🏆 Edge |
|---|---|---|---|
| Sodium | Not listed | 55 mg | Ultima Replenisher Electrolyte Mix |
| Potassium | Not listed | 250 mg | Ultima Replenisher Electrolyte Mix |
| Magnesium | Not listed | 100 mg | Ultima Replenisher Electrolyte Mix |
| Sugar | 2.0 g | 0.0 g | True Lemon Kids Hydration |
| Calories | 10 | 0 | True Lemon Kids Hydration |
| Sweetener | Cane Sugar and Stevia Leaf Extract | Organic Stevia Leaf Extract | Preference |
| Cost per serving | $0.45 | $0.56 | True Lemon Kids Hydration |
| SLF rating | ★★★★☆4.2/5 | ★★★★★4.7/5 | Ultima Replenisher Electrolyte Mix |
Mainstays Kids Stainless Steel Tumbler 20 oz
Keep water and electrolyte drinks cold for hours with the Mainstays Kids 20 oz Stainless Steel Tumbler. Double-wall vacuum insulation, a reusable straw, and a kid-friendly design make it perfect for school, sports, travel, and everyday hydration. Available at Walmart.
Functional Ingredients
Additional active or performance-oriented ingredients recorded in the SLF database.
True Lemon Kids Hydration
- Vitamin A (225 mcg)
- Vitamin C (23 mg)
- Vitamin E (3.75 mg)
- Concord Grape Juice Powder
- Lemon Juice Solids
Best as a low-sugar water flavoring for kids, not as a replacement for electrolytes lost through illness or sweating.
Ultima Replenisher Electrolyte Mix
- MagnesiumVitamin CZincElectrolyte BlendTrace Minerals
Ultima Replenisher is a strong zero-sugar, lighter-sodium choice for everyday hydration, low-sodium diets, keto, general wellness, but it is less compelling for heavy endurance…
Key Differences
The most meaningful data-backed differences in this matchup.
Ultima Replenisher Electrolyte Mix
Why it matters: Lower sugar may suit people prioritizing reduced-sugar hydration.
True Lemon Kids Hydration
Why it matters: A lower cost per serving can make frequent use more practical.
True Lemon Kids 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 True Lemon Kids Hydration if…
- Everyday Hydration
- Travel
- Encouraging Children To Drink More Water
- Lunch Boxes
- Low Sugar Flavored Hydration
- Kids
- Teens
Best as a low-sugar water flavoring for kids, not as a replacement for electrolytes lost through illness or sweating.
Choose Ultima Replenisher Electrolyte Mix if…
- Everyday Hydration
- Travel
- Keto & Low-Carb
- Low Sodium Diets
- General Wellness
- Wellness
- Teens
Ultima Replenisher is a strong zero-sugar, lighter-sodium choice for everyday hydration, low-sodium diets, keto, general wellness, but it is less compelling for heavy endurance athletes needing very high sodium replacement.
Pros and Considerations
True Lemon Kids Hydration
✓ Strengths
- Competitive cost per serving
● Keep in Mind
- Contains 2.0 g sugar per serving
- Mineral amounts beyond sodium are not disclosed in the current SLF record
Ultima Replenisher Electrolyte Mix
✓ Strengths
- Moderate sodium level suits everyday hydration needs
- 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
Ultima Replenisher Electrolyte Mix
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 True Lemon Kids Hydration instead if you:
- Everyday Hydration
- Travel
- Encouraging Children To Drink More Water
- Lunch Boxes
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.
True Lemon Kids Hydration
Check Price at Walmart Ultima Replenisher Electrolyte Mix
Check Price at WalmartFind 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?
Ultima Replenisher Electrolyte Mix contains 55 mg of sodium per serving, compared with Not listed. Higher sodium may be more useful when replacing larger sweat losses during prolonged exercise or hot conditions.
Which has less sugar?
True Lemon 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?
True Lemon Kids Hydration is currently less expensive at $0.45 per serving, compared with $0.56. Pricing can change by retailer and package size.
What functional ingredients does each product include?
True Lemon Kids Hydration lists Vitamin A (225 mcg), Vitamin C (23 mg), Vitamin E (3.75 mg), Concord Grape Juice Powder, Lemon Juice Solids. Ultima Replenisher Electrolyte Mix lists MagnesiumVitamin CZincElectrolyte BlendTrace Minerals. Functional ingredients supplement the core electrolyte profile but do not automatically make one product better for every use.
Which product is better overall?
Ultima Replenisher Electrolyte Mix earns the higher SLF comparison score based on the available formula, value, rating, and intended-use data. True Lemon 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.