SLF Electrolyte Comparison · 2026

SOS Hydration
Hot-Weather Endurance · Everyday Hydration · Exercise & Workouts
Check Price at CVSRead full review ↗
BODYARMOR Flash I.V.
Heavy & Salty Sweaters · Exercise & Workouts · Travel
Check Price at CVSRead full review ↗BODYARMOR Flash I.V.
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 | SOS Hydration | BODYARMOR Flash I.V. | 🏆 Edge |
|---|---|---|---|
| Sodium | 330 mg | 500 mg | BODYARMOR Flash I.V. |
| Potassium | 190 mg | 700 mg | BODYARMOR Flash I.V. |
| Magnesium | 35 mg | 65 mg | BODYARMOR Flash I.V. |
| Sugar | 3.0 g | 0.0 g | SOS Hydration |
| Calories | 15 | 10 | BODYARMOR Flash I.V. |
| Sweetener | Sugar, dextrose, stevia extract | Stevia Leaf Extract | Preference |
| Cost per serving | $1.50 | $1.08 | BODYARMOR Flash I.V. |
| SLF rating | ★★★★☆4.3/5 | ★★★★☆4.0/5 | SOS Hydration |

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.
BODYARMOR Flash I.V.
- Coconut Water Powder
- Vitamin C
- Vitamin B3
- Vitamin B6
- Vitamin B12
- Zinc
- Electrolyte Blend
BODYARMOR Flash I.V. is a strong zero-sugar, performance-ready choice for athletes, heavy sweaters, travel, heat., but it is less compelling for low sodium diets..
Key Differences
The most meaningful data-backed differences in this matchup.
BODYARMOR Flash I.V.
Why it matters: Higher sodium can better replace larger sweat losses during prolonged exercise or heat.
BODYARMOR Flash I.V.
Why it matters: Lower sugar may suit people prioritizing reduced-sugar hydration.
BODYARMOR Flash I.V.
Why it matters: A lower cost per serving can make frequent use more practical.
BODYARMOR Flash I.V.
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 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 BODYARMOR Flash I.V. if…
- Heavy & Salty Sweaters
- Exercise & Workouts
- Travel
- Keto & Low-Carb
- Fasting
- Athletes
- Heat.
- Sweating
BODYARMOR Flash I.V. is a strong zero-sugar, performance-ready choice for athletes, heavy sweaters, travel, heat., but it is less compelling for low sodium diets..
Pros and Considerations
SOS Hydration
✓ Strengths
- Moderate sodium level suits everyday hydration needs
● Keep in Mind
- Contains 3.0 g sugar per serving
BODYARMOR Flash I.V.
✓ 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
- Taste and electrolyte strength may not suit every preference
BODYARMOR Flash I.V.
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 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
BODYARMOR Flash I.V.
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?
BODYARMOR Flash I.V. contains 500 mg of sodium per serving, compared with 330 mg. Higher sodium may be more useful when replacing larger sweat losses during prolonged exercise or hot conditions.
Which has less sugar?
SOS Hydration has less sugar at 3.0 g per serving, versus 0.0 g. This may matter for people limiting added sugar.
Which is less expensive per serving?
BODYARMOR Flash I.V. is currently less expensive at $1.08 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. BODYARMOR Flash I.V. lists Coconut Water Powder, Vitamin C, Vitamin B3, Vitamin B6, Vitamin B12, Zinc. Functional ingredients supplement the core electrolyte profile but do not automatically make one product better for every use.
Which product is better overall?
BODYARMOR Flash I.V. 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.
Nutrition facts, pricing, and availability can change. Verify the current label before purchasing. This comparison is informational and is not medical advice.







