SLF Electrolyte Comparison · 2026
XTEND Healthy Hydration
Hot-Weather Endurance · Everyday Hydration · Exercise & Workouts
Check Current PriceRead full review ↗
Gainful High Performing Hydration
Hot-Weather Endurance · Everyday Hydration · Exercise & Workouts
Check Current PriceRead full review ↗XTEND Healthy Hydration
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 | XTEND Healthy Hydration | Gainful High Performing Hydration | 🏆 Edge |
|---|---|---|---|
| Sodium | 450 mg | 400 mg | XTEND Healthy Hydration |
| Potassium | 380 mg | 150 mg | XTEND Healthy Hydration |
| Magnesium | 40 mg | 200 mg | Gainful High Performing Hydration |
| Sugar | 0.0 g | 2.0 g | Gainful High Performing Hydration |
| Calories | 5 | 15 | XTEND Healthy Hydration |
| Sweetener | Sucralose and Acesulfame Potassium | Cane Sugar and Steviol Glycosides | Preference |
| Cost per serving | $1.25 | $1.62 | XTEND Healthy Hydration |
| SLF rating | ★★★★☆4.4/5 | ★★★★★4.5/5 | Gainful High Performing Hydration |
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.
XTEND Healthy Hydration
- Phosphorus (120 mg)
- Vitamin D
- Vitamin E
- Niacin
- Vitamin B6
- Vitamin B12
- Pantothenic Acid
Best for workout, heat, travel, and general sports hydration.
Gainful High Performing Hydration
- Four-Electrolyte Blend
- Natural Flavors
Best for users who value clean ingredients, low sugar, and high magnesium more than lowest cost per serving.
Key Differences
The most meaningful data-backed differences in this matchup.
XTEND Healthy Hydration
Why it matters: Higher sodium can better replace larger sweat losses during prolonged exercise or heat.
XTEND Healthy Hydration
Why it matters: Lower sugar may suit people prioritizing reduced-sugar hydration.
XTEND Healthy Hydration
Why it matters: A lower cost per serving can make frequent use more practical.
XTEND Healthy Hydration
Why it matters: Potassium supports fluid balance and normal muscle function.
XTEND Healthy 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 XTEND Healthy Hydration if…
- Hot-Weather Endurance
- Everyday Hydration
- Exercise & Workouts
- Recovery
- Travel
- Heat & Outdoor Work
- Keto & Low-Carb
- Daily Sports Hydration
Best for workout, heat, travel, and general sports hydration.
Choose Gainful High Performing Hydration if…
- Hot-Weather Endurance
- Everyday Hydration
- Exercise & Workouts
- Recovery
- Travel
- Heat & Outdoor Work
- Daily Training
- Gym Workouts
Best for users who value clean ingredients, low sugar, and high magnesium more than lowest cost per serving.
Pros and Considerations
XTEND Healthy Hydration
✓ Strengths
- Moderate sodium level suits everyday hydration needs
- Sugar-free formula
- Provides meaningful potassium
- Fits keto and low-carbohydrate lifestyles
● Keep in Mind
- Taste and electrolyte strength may not suit every preference
Gainful High Performing Hydration
✓ Strengths
- Moderate sodium level suits everyday hydration needs
- Includes a useful amount of magnesium
● Keep in Mind
- Contains 2.0 g sugar per serving
XTEND Healthy 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
- Fits keto and low-carbohydrate lifestyles
Choose Gainful High Performing Hydration 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.
XTEND Healthy Hydration
Check Price on Amazon Gainful High Performing Hydration
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?
XTEND Healthy Hydration contains 450 mg of sodium per serving, compared with 400 mg. Higher sodium may be more useful when replacing larger sweat losses during prolonged exercise or hot conditions.
Which has less sugar?
Gainful High Performing 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?
XTEND Healthy Hydration is currently less expensive at $1.25 per serving, compared with $1.62. Pricing can change by retailer and package size.
What functional ingredients does each product include?
XTEND Healthy Hydration lists Phosphorus (120 mg), Vitamin D, Vitamin E, Niacin, Vitamin B6, Vitamin B12. Gainful High Performing Hydration lists Four-Electrolyte Blend, Natural Flavors. Functional ingredients supplement the core electrolyte profile but do not automatically make one product better for every use.
Which product is better overall?
XTEND Healthy Hydration earns the higher SLF comparison score based on the available formula, value, rating, and intended-use data. Gainful High Performing 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.