SLF Electrolyte Comparison · 2026
Spark Energy + Focus
Everyday Hydration · Keto & Low-Carb · Adults Seeking Convenient Energy And Focus Support Without Sugar
Check Price at CVSRead full review ↗
Liquid I.V. Energy Sugar-Free
Everyday Hydration · Exercise & Workouts · Travel
Check Price at CVSRead full review ↗Liquid I.V. Energy Sugar-Free
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 | Spark Energy + Focus | Liquid I.V. Energy Sugar-Free | 🏆 Edge |
|---|---|---|---|
| Sodium | Not listed | 500 mg | Liquid I.V. Energy Sugar-Free |
| Potassium | Not listed | 370 mg | Liquid I.V. Energy Sugar-Free |
| Magnesium | Not listed | 85 mg | Liquid I.V. Energy Sugar-Free |
| Sugar | 0.0 g | 0.0 g | Tie |
| Calories | 15 | 20 | Spark Energy + Focus |
| Sweetener | Sucralose | Allulose, stevia leaf extract | Preference |
| Cost per serving | $0.60 | $1.78 | Spark Energy + Focus |
| SLF rating | ★★★★☆4.1/5 | ★★★★☆4.0/5 | Spark Energy + Focus |
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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.
Spark Energy + Focus
- Vitamin A (beta carotene) 300 mcg
- Vitamin C (ascorbic acid) 180 mg
- Vitamin E (d-alpha tocopheryl acetate) 20 mg
- Thiamine (thiamine HCl) 3 mg
- Riboflavin 3.4 mg
- Niacin (niacinamide) 60 mg
- Vitamin B6 (pyridoxine HCl) 15 mg
- Vitamin B12 (cyanocobalamin) 45 mcg
- Pantothenic acid (d-calcium pantothenate) 50 mg
- Choline (bitartrate and citrate) 500 mg
- Zinc (zinc monomethionine) 3 mg
- Copper (copper glycinate) 200 mcg
- Chromium (chromium citrate) 24 mcg
- L-Tyrosine 500 mg
- Taurine 200 mg
- Caffeine 120 mg
- Glycine 100 mg
- L-Carnitine (tartrate) 10 mg
- Inositol 10 mg
A strong zero-sugar energy-and-focus powder, but its formula is built around caffeine, amino acids and vitamins—not electrolyte replacement.
Liquid I.V. Energy Sugar-Free
- 200 mg L-theanine
- Coffeeberry Energy coffee fruit extract
- CognatiQ coffee fruit extract
- vitamin C
- vitamins B3
- B5
- B6 and B12
- amino acids L-glutamine and L-alanine
A compelling hydration-plus-energy formula with considerably more hydration emphasis than a conventional energy drink and a moderate 100 mg caffeine dose balanced by 200…
Key Differences
The most meaningful data-backed differences in this matchup.
Spark Energy + Focus
Why it matters: A lower cost per serving can make frequent use more practical.
Spark Energy + Focus
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 Spark Energy + Focus if…
- Everyday Hydration
- Keto & Low-Carb
- Adults Seeking Convenient Energy And Focus Support Without Sugar
- Especially For Work
- Study Or Pre Workout Use.
A strong zero-sugar energy-and-focus powder, but its formula is built around caffeine, amino acids and vitamins—not electrolyte replacement.
Choose Liquid I.V. Energy Sugar-Free if…
- Everyday Hydration
- Exercise & Workouts
- Travel
- Keto & Low-Carb
- Adults Seeking Balanced Energy For Work
- Social Occasions Or Afternoon Slumps While Also Getting Substantial Electrolyte Support
- Energy
- Hydration
A compelling hydration-plus-energy formula with considerably more hydration emphasis than a conventional energy drink and a moderate 100 mg caffeine dose balanced by 200 mg L-theanine.
Pros and Considerations
Spark Energy + Focus
✓ Strengths
- Sugar-free formula
- Competitive cost per serving
● Keep in Mind
- Mineral amounts beyond sodium are not disclosed in the current SLF record
Liquid I.V. Energy Sugar-Free
✓ Strengths
- Substantial sodium supports exercise and hot-weather hydration
- 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
Liquid I.V. Energy Sugar-Free
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 Spark Energy + Focus instead if you:
- Everyday Hydration
- Keto & Low-Carb
- Adults Seeking Convenient Energy And Focus Support Without Sugar
- Especially For Work
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.
Spark Energy + Focus
Check Price at CVS Liquid I.V. Energy Sugar-Free
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?
Liquid I.V. Energy Sugar-Free contains 500 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?
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?
Spark Energy + Focus is currently less expensive at $0.60 per serving, compared with $1.78. Pricing can change by retailer and package size.
What functional ingredients does each product include?
Spark Energy + Focus lists Vitamin A (beta carotene) 300 mcg, Vitamin C (ascorbic acid) 180 mg, Vitamin E (d-alpha tocopheryl acetate) 20 mg, Thiamine (thiamine HCl) 3 mg, Riboflavin 3.4 mg, Niacin (niacinamide) 60 mg. Liquid I.V. Energy Sugar-Free lists 200 mg L-theanine, Coffeeberry Energy coffee fruit extract, CognatiQ coffee fruit extract, vitamin C, vitamins B3, B5. Functional ingredients supplement the core electrolyte profile but do not automatically make one product better for every use.
Which product is better overall?
Liquid I.V. Energy Sugar-Free earns the higher SLF comparison score based on the available formula, value, rating, and intended-use data. Spark Energy + Focus 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.