SLF Electrolyte Comparison · 2026
SOS Hydration
Hot-Weather Endurance · Everyday Hydration · Exercise & Workouts
Check Price at CVSRead full review ↗
SALUD Hydration + Immunity
Everyday Hydration · Recovery · Travel
Check Price at CVSRead full review ↗SALUD Hydration + Immunity
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 | SOS Hydration | SALUD Hydration + Immunity | 🏆 Edge |
|---|---|---|---|
| Sodium | 330 mg | 130 mg | SOS Hydration |
| Potassium | 190 mg | 200 mg | SALUD Hydration + Immunity |
| Magnesium | 35 mg | 50 mg | SALUD Hydration + Immunity |
| Sugar | 3.0 g | 1.0 g | SALUD Hydration + Immunity |
| Calories | 15 | 20 | SOS Hydration |
| Sweetener | Sugar, dextrose, stevia extract | Cane Sugar and Stevia | Preference |
| Cost per serving | $1.50 | $1.19 | SALUD Hydration + Immunity |
| SLF rating | ★★★★☆4.3/5 | ★★★★★4.5/5 | SALUD Hydration + Immunity |
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.
SOS Hydration
- Vitamins B6
- B12
- C
- D
- folic acid
- magnesium
- zinc
A compelling low-sugar, ORS-inspired electrolyte powder for daily hydration, exercise, heat and travel, especially for shoppers who want more sodium than many everyday mixes.
SALUD Hydration + Immunity
- Wellmune Beta Glucan (250 mg)Coconut Water Powder (200 mg)Elderberry ExtractVitamin CAntioxidant Blend
Best for flavorful daily hydration and immunity support.
Key Differences
The most meaningful data-backed differences in this matchup.
SOS Hydration
Why it matters: Higher sodium can better replace larger sweat losses during prolonged exercise or heat.
SALUD Hydration + Immunity
Why it matters: Lower sugar may suit people prioritizing reduced-sugar hydration.
SALUD Hydration + Immunity
Why it matters: A lower cost per serving can make frequent use more practical.
SALUD Hydration + Immunity
Why it matters: Potassium supports fluid balance and normal muscle function.
SOS 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 SOS Hydration if…
- Hot-Weather Endurance
- Everyday Hydration
- Exercise & Workouts
- Travel
- Heat & Outdoor Work
- Daily Hydration
- Sweating
- Heat And Travel
A compelling low-sugar, ORS-inspired electrolyte powder for daily hydration, exercise, heat and travel, especially for shoppers who want more sodium than many everyday mixes.
Choose SALUD Hydration + Immunity if…
- Everyday Hydration
- Recovery
- Travel
- Daily Wellnesstravelimmune Supportlight Workoutsfamilies Wanting Agua Fresca Flavors
- Wellness
- Kids
Best for flavorful daily hydration and immunity support.
Pros and Considerations
SOS Hydration
✓ Strengths
- Moderate sodium level suits everyday hydration needs
● Keep in Mind
- Contains 3.0 g sugar per serving
SALUD Hydration + Immunity
✓ Strengths
- Moderate sodium level suits everyday hydration needs
- Provides meaningful potassium
- Includes a useful amount of magnesium
● Keep in Mind
- Contains 1.0 g sugar per serving
SALUD Hydration + Immunity
SLF scoring considers nutrition, formula, price, certifications, intended use, and value.
Why it earns the edge
- Moderate sodium level suits everyday hydration needs
- Provides meaningful potassium
- Includes a useful amount of magnesium
Choose SOS Hydration instead if you:
- Hot-Weather Endurance
- Everyday Hydration
- Exercise & Workouts
- 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.
SOS Hydration
Check Price at CVS SALUD Hydration + Immunity
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?
SOS Hydration contains 330 mg of sodium per serving, compared with 130 mg. Higher sodium may be more useful when replacing larger sweat losses during prolonged exercise or hot conditions.
Which has less sugar?
SALUD Hydration + Immunity has less sugar at 1.0 g per serving, versus 3.0 g. This may matter for people limiting added sugar.
Which is less expensive per serving?
SALUD Hydration + Immunity is currently less expensive at $1.19 per serving, compared with $1.50. Pricing can change by retailer and package size.
What functional ingredients does each product include?
SOS Hydration lists Vitamins B6, B12, C, D, folic acid, magnesium. SALUD Hydration + Immunity lists Wellmune Beta Glucan (250 mg)Coconut Water Powder (200 mg)Elderberry ExtractVitamin CAntioxidant Blend. Functional ingredients supplement the core electrolyte profile but do not automatically make one product better for every use.
Which product is better overall?
SALUD Hydration + Immunity earns the higher SLF comparison score based on the available formula, value, rating, and intended-use data. SOS 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.