SLF Electrolyte Comparison · 2026
Liquid I.V. Hydration Multiplier
Hot-Weather Endurance · Everyday Hydration · Exercise & Workouts
Check Current PriceRead full review ↗
Tailwind Nutrition Endurance Fuel
Endurance Athletes · Exercise & Workouts · Long Distance Running
Check Current PriceRead full review ↗Tailwind Nutrition Endurance Fuel
Best overall data score for this matchup based on formula, value, rating, and intended use.
Explore Both Brands
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Explore Top Amazon Flavors
See the three most-reviewed Amazon benchmark flavors currently tracked for each eligible brand in this comparison.
Liquid I.V. Favorites
Lemon Lime
Bright lemon and lime with a crisp limeade-style finish. Refreshing, lightly salty, and more tart than sweet.
Check Amazon Price → Read Lemon Lime Review →
Passion Fruit
Tropical passion fruit with mango-like sweetness, mild tang, and a smooth juicy finish.
Check Amazon Price → Read Passion Fruit Review →
Strawberry
Very sweet carnival-style cotton candy with spun-sugar and light vanilla notes. Low tartness and strongly dessert-forward.
Check Amazon Price → Read Strawberry Review →Watch Product Overviews
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Liquid IV
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Tailwind
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At a Glance
A quick side-by-side look at nutrition, value, and overall performance.
| Feature | Liquid I.V. Hydration Multiplier | Tailwind Nutrition Endurance Fuel | 🏆 Edge |
|---|---|---|---|
| Sodium | 500 mg | 620 mg | Tailwind Nutrition Endurance Fuel |
| Potassium | 350 mg | 180 mg | Liquid I.V. Hydration Multiplier |
| Magnesium | Not listed | 14 mg | Tailwind Nutrition Endurance Fuel |
| Sugar | 11.0 g | 25.0 g | Liquid I.V. Hydration Multiplier |
| Calories | 45 | 200 | Liquid I.V. Hydration Multiplier |
| Sweetener | Cane Sugar | Cane sugar and dextrose | Preference |
| Cost per serving | $0.96 | $0.86 | Tailwind Nutrition Endurance Fuel |
| SLF rating | ★★★★★4.6/5 | ★★★★★4.8/5 | Tailwind Nutrition Endurance Fuel |
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.
Liquid I.V. Hydration Multiplier
- Cellular Transport Technology® (CTT®)DextroseVitamin CB VitaminsAllantoin
Liquid IV is a strong performance-ready, clean-label choice for travel, exercise, heat, general hydration, but it is less compelling for strict keto diets or…
Tailwind Nutrition Endurance Fuel
- Glucose and sucrose carbohydrate fuel blend
Best for long runs, rides, and races when calories and electrolytes need to come from the same drink.
Key Differences
The most meaningful data-backed differences in this matchup.
Tailwind Nutrition Endurance Fuel
Why it matters: Higher sodium can better replace larger sweat losses during prolonged exercise or heat.
Liquid I.V. Hydration Multiplier
Why it matters: Lower sugar may suit people prioritizing reduced-sugar hydration.
Tailwind Nutrition Endurance Fuel
Why it matters: A lower cost per serving can make frequent use more practical.
Liquid I.V. Hydration Multiplier
Why it matters: Potassium supports fluid balance and normal muscle function.
Who Should Choose Each Product?
Use these guidelines to find the best fit for your hydration needs and lifestyle.
Choose Liquid I.V. Hydration Multiplier if…
- Hot-Weather Endurance
- Everyday Hydration
- Exercise & Workouts
- Recovery
- Travel
- Heat & Outdoor Work
Liquid IV is a strong performance-ready, clean-label choice for travel, exercise, heat, general hydration, but it is less compelling for strict keto diets or those avoiding added sugar.
Choose Tailwind Nutrition Endurance Fuel if…
- Endurance Athletes
- Exercise & Workouts
- Long Distance Running
- Cycling
- Ultramarathons
- Triathlon Training
- Athletes Who Prefer Liquid Calories
Best for long runs, rides, and races when calories and electrolytes need to come from the same drink.
Pros and Considerations
Liquid I.V. Hydration Multiplier
✓ Strengths
- Substantial sodium supports exercise and hot-weather hydration
- Provides meaningful potassium
- Competitive cost per serving
● Keep in Mind
- Contains 11.0 g sugar per serving
- Magnesium amount is not disclosed in the current SLF record
Tailwind Nutrition Endurance Fuel
✓ Strengths
- Substantial sodium supports exercise and hot-weather hydration
- Competitive cost per serving
● Keep in Mind
- Contains 25.0 g sugar per serving
Tailwind Nutrition Endurance Fuel
SLF scoring considers nutrition, formula, price, certifications, intended use, and value.
Why it earns the edge
- Substantial sodium supports exercise and hot-weather hydration
- Competitive cost per serving
Choose Liquid I.V. Hydration Multiplier instead if you:
- Hot-Weather Endurance
- Everyday Hydration
- Exercise & Workouts
- Recovery
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.
Liquid I.V. Hydration Multiplier
Check Price on Amazon Tailwind Nutrition Endurance Fuel
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?
Tailwind Nutrition Endurance Fuel contains 620 mg of sodium per serving, compared with 500 mg. Higher sodium may be more useful when replacing larger sweat losses during prolonged exercise or hot conditions.
Which has less sugar?
Liquid I.V. Hydration Multiplier has less sugar at 11.0 g per serving, versus 25.0 g. This may matter for people limiting added sugar.
Which is less expensive per serving?
Tailwind Nutrition Endurance Fuel is currently less expensive at $0.86 per serving, compared with $0.96. Pricing can change by retailer and package size.
What functional ingredients does each product include?
Liquid I.V. Hydration Multiplier lists Cellular Transport Technology® (CTT®)DextroseVitamin CB VitaminsAllantoin. Tailwind Nutrition Endurance Fuel lists Glucose and sucrose carbohydrate fuel blend. Functional ingredients supplement the core electrolyte profile but do not automatically make one product better for every use.
Which product is better overall?
Tailwind Nutrition Endurance Fuel earns the higher SLF comparison score based on the available formula, value, rating, and intended-use data. Liquid I.V. Hydration Multiplier 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.