Re-Lyte and Liquid I.V. are electrolyte products designed to support hydration and replace electrolytes lost through sweating. However, their ingredients, nutritional profiles, sweetness, packaging, and intended uses differ.
Redmond Re-Lyte is a sugar-free electrolyte mix made with Redmond Real Salt, magnesium, and potassium, while Liquid I.V. offers regular and sugar-free formulas based on its Cellular Transport Technology.
Re-Lyte is favored for electrolyte content and sugar-free ingredients, while Liquid I.V. suits users prioritizing sweetness or palatability.
The best electrolyte product depends on individual activity, diet, and hydration needs. Someone who sweats heavily during endurance exercise may prioritize sodium, potassium, and other electrolytes, while someone looking for a sweeter drink may prefer Liquid I.V. The sugar-free version of Liquid I.V. also gives people another option when they want to avoid added sugar.
This comparison examines Re-Lyte versus Liquid I.V., including their electrolyte content, ingredients, taste, price, dietary compatibility, and convenience. It also covers other electrolyte products that may suit different hydration requirements.
Re-Lyte vs Liquid I.V.: Nutritional Comparison
The most important differences between Re-Lyte and Liquid I.V. involve their electrolyte profiles and sugar content.
Re-Lyte Nutrition
A serving of Re-Lyte provides 810 mg sodium, 400 mg potassium, 60 mg calcium, 50 mg magnesium, and 1,280 mg chloride.
Re-Lyte uses magnesium malate as one of its magnesium sources.
Its formula emphasizes sodium and chloride from salt, alongside potassium, calcium, and magnesium. Re-Lyte is presented as a lower-cost electrolyte option than Liquid I.V. and other alternatives.
Re-Lyte contains no sugar, making it an option for people who want electrolytes without adding sugar to their drinks.
Liquid I.V. Nutrition
Liquid I.V. provides sodium and potassium but lists no magnesium or calcium.
Regular Liquid I.V. contains substantially more sugar than Re-Lyte.
Liquid I.V. uses glucose-assisted absorption to promote hydration. Its Cellular Transport Technology is the basis of the brand’s hydration positioning, while its regular and sugar-free products have different ingredient and nutritional profiles.
Liquid I.V. also provides vitamin C and B vitamins that may support energy metabolism and recovery.
However, Liquid I.V. has a moderately processed formula with sweeteners, flavoring agents, and flow agents.
Side-by-Side Comparison
| Feature | Re-Lyte | Liquid I.V. |
|---|---|---|
| Sugar | Zero sugar | Regular formula contains substantially more sugar |
| Sodium | 810 mg per serving | Provides sodium; amount depends on the specific formula |
| Potassium | 400 mg per serving | Provides potassium; amount depends on the specific formula |
| Calcium | 60 mg per serving | No calcium listed in the comparison |
| Magnesium | 50 mg per serving | No magnesium listed in the comparison |
| Chloride | 1,280 mg per serving | Not specified in the supplied comparison |
| Magnesium source | Magnesium malate is one source | No magnesium listed in the comparison |
| Packaging | Sachets and bulk tubs | Single-serve sachets |
| Main distinction | Sugar-free formula emphasizing electrolytes | Sweetness, palatability, and glucose-assisted hydration |
| Price positioning | Presented as a lower-cost option | Presented as more expensive than Re-Lyte |
Important: The comparison uses specific flavors and product data from company websites dated May 8, 2025, so nutrition values may vary by flavor or later formulation changes. Regular Liquid I.V. and Liquid I.V. Sugar-Free must also be distinguished because their ingredients and carbohydrate profiles differ.
The page does not provide a direct review or comparison of Relyte versus Liquid I.V. The comparison here therefore organizes the supplied product information and review findings rather than claiming that a head-to-head test established a winner.
Why Electrolytes Matter for Hydration
Electrolytes replace losses from sweating and support hydration and bodily functions.
Electrolytes help maintain fluid balance and support normal bodily functions. Sodium, potassium, magnesium, calcium, and chloride are among the minerals considered when comparing electrolyte formulas.
Drinking more plain water may not fully rehydrate someone who is low on electrolytes. This is particularly relevant when someone loses substantial amounts of salt through sweat.
However, electrolyte supplements are not necessary for everyone after every workout. The appropriate formula depends on activity level, sweat losses, dietary intake, and individual hydration needs.
Up to 25% of older adults may be chronically dehydrated, according to the supplied review material. This figure is a source-reported claim rather than an independently verified estimate here.
Possible Symptoms of Electrolyte Imbalance
The article associates electrolyte imbalance with symptoms including dark urine, abnormal heart rate, cramps, weakness, tingling, confusion, fatigue, headaches, dizziness, nausea, and vomiting.
These symptoms are not specific to electrolyte imbalance and can have other causes. Severe symptoms, particularly an abnormal heart rate or confusion, warrant prompt medical attention rather than self-treatment with electrolyte powder.
The author says individual electrolyte needs are best assessed through testing and recommends supplementing only nutrients that need replenishment.
This approach emphasizes matching supplementation to actual needs instead of automatically choosing the product with the most electrolytes.
Re-Lyte vs Liquid I.V.: Sodium and Potassium
Sodium and potassium are two of the most important nutrients to compare when selecting an electrolyte drink.
Re-Lyte provides 810 mg of sodium and 400 mg of potassium per serving. Its formula emphasizes sodium and chloride as natural mineral sources.
Redmond Relyte is formulated with Utah-mined Redmond Real Salt and emphasizes sodium and chloride as natural mineral sources.
Relyte aims for an approximately 2:1 sodium-to-potassium ratio, compared with the World Health Organization’s recommended ratio of about 2.5:1.
The ratio is one part of the comparison, but it should not be treated as the only measure of an electrolyte product’s suitability. Total intake, the amount of fluid consumed, exercise duration, and individual sweat losses also matter.
Is Liquid I.V. Enough for Heavy Sweating?
Liquid I.V. provides less sodium than LMNT, so it may be insufficient for heavy sweaters or prolonged exercise in heat.
Re-Lyte is favored for its electrolyte content and sugar-free ingredients. Its stated sodium and potassium amounts may appeal to people looking for a higher-electrolyte formula without sugar.
However, the appropriate sodium intake varies by individual. A higher-sodium formula is not automatically the right choice for light activity or ordinary daily hydration.
Sugar-Free Electrolytes: Re-Lyte vs Liquid I.V.
Sugar content is another major difference between the products.
Re-Lyte contains no sugar, while Nuun Sport contains 1 gram of sugar and the compared sugar-free versions of Re-Lyte, LMNT, SALTT, and Liquid I.V. contain none.
Liquid I.V.’s regular formula contains substantially more sugar than Re-Lyte. However, Liquid I.V. Sugar-Free uses allulose and stevia as sweeteners.
This distinction matters because regular Liquid I.V. and its sugar-free version should not be treated as nutritionally identical products.
People following keto or low-carbohydrate diets may prefer sugar-free options. Nevertheless, the complete nutrition label should be checked because zero sugar does not necessarily mean zero carbohydrates.
The author considers Re-Lyte, SALTT, LMNT, Nuun, and Liquid I.V. keto-friendly and says any of them would be preferable to plain water when electrolyte replacement is needed.
That recommendation is conditional: electrolyte products are useful when electrolyte replacement is needed, but they are not automatically preferable to plain water for every person or every activity.
Taste: Re-Lyte vs Liquid I.V.
Taste can influence how easily someone uses an electrolyte product consistently.
Re-Lyte tastes saltier and more mineral-focused, while Liquid I.V. tastes sweeter.
Re-Lyte may appeal to people who prefer a salty electrolyte drink without sugar. Liquid I.V. may suit those who prioritize sweetness or palatability.
Liquid I.V.’s glucose-assisted hydration approach and sweetened flavor profile distinguish it from Re-Lyte’s sugar-free mineral-focused formula.
The taste comparison depends on the specific flavor and product version. Sugar-free Liquid I.V. also uses different sweeteners from the regular formula.
Which Product Is Easier to Drink?
People who dislike sweet drinks may prefer Re-Lyte, while those who find strong mineral flavors unpleasant may prefer Liquid I.V.
The review evaluates electrolyte products based on electrolyte completeness, dissolvability, taste, price per serving, and dietary compatibility.
These criteria are useful because a product can have a strong electrolyte profile but still be inconvenient or unpleasant to use. Dissolvability and flavor can therefore matter alongside the nutrition label.
Ingredients and Mineral Sources
Re-Lyte uses salt sourced from an ancient Utah seabed and claims to retain more than 60 naturally occurring trace minerals.
Liquid I.V. uses mined salt, but the article says its specific source and additional trace-mineral content are not clearly disclosed.
Re-Lyte includes 80 mg of coconut water powder, and the article notes that unflavored and capsule versions are available without it for people with coconut allergies.
People with coconut allergies should verify the current ingredients and product formulation before purchasing, particularly if they choose a flavored version rather than an unflavored or capsule option.
Magnesium in Re-Lyte
Re-Lyte uses magnesium malate as one of its magnesium sources. Its stated serving contains 50 mg of magnesium.
Magnesium is one of several electrolytes involved in bodily functions, and its presence distinguishes Re-Lyte from the Liquid I.V. formula described in the supplied comparison, which lists no magnesium.
How Complete Is Re-Lyte’s Electrolyte Profile?
The author says Re-Lyte’s serving contains more total listed electrolytes than the other compared products, although LMNT and SALTT do not disclose their chloride amounts.
This qualification matters: the comparison cannot establish a complete ranking for every electrolyte when some products do not disclose all the relevant amounts.
The listed mineral totals also should not be confused with a direct measurement of hydration effectiveness. Ingredient dosages, product formulation, individual requirements, and the amount of fluid consumed all affect the practical comparison.
Packaging, Flavors, and Convenience
Packaging affects how easy an electrolyte product is to carry, measure, and use.
Liquid I.V. is sold exclusively in portable single-serve sachets, while Re-Lyte is available in both sachets and bulk tubs.
Re-Lyte’s tubs may appeal to people who regularly use electrolyte powder at home. Its sachets offer an alternative for travel or other situations where carrying a larger container is inconvenient.
Liquid I.V.’s individual sachets provide premeasured portions, making it straightforward to carry the product without measuring powder separately.
Re-Lyte is available in more than 10 flavors, while the UK range of Liquid I.V. includes four flavors: Lemon Lime, Strawberry, Passionfruit, and Tropical Punch.
Flavor availability can differ by country and may change as companies update their product ranges.
Re-Lyte vs Liquid I.V.: Price and Value
Re-Lyte is presented as a lower-cost electrolyte option than Liquid I.V. and other alternatives.
Price per serving is one of the criteria used to evaluate electrolyte products, alongside ingredient dosages, taste and solubility, third-party testing, and dietary compatibility.
A lower cost per serving can be useful for someone who consumes electrolyte products regularly. However, the lowest-priced product is not automatically the best choice if its electrolyte profile, taste, or ingredients do not fit the user’s needs.
When comparing prices, use the current price, serving count, and nutrition label for the specific product and country. The supplied material does not establish one universal current price for every Re-Lyte and Liquid I.V. formulation.
Other Electrolyte Products Worth Considering
Re-Lyte and Liquid I.V. are only two options in a large electrolyte market. The supplied reviews cover powders, pills, liquid drops, and chewable tablets, with products designed for different activities and dietary preferences.
The tested products vary widely in sodium content, from 5 mg per serving in Laird Superfood Hydrate to 1,000 mg in LMNT.
The review evaluates electrolyte drinks based on ingredient dosages, taste and solubility, third-party testing, and price per serving.
1. Ultima Replenisher: Best Overall and Best Budget Electrolyte Powder
Ultima Replenisher is the review’s best overall and best budget electrolyte powder.
Ultima Replenisher provides all five essential electrolytes, uses stevia and plant-based colors, and is vegan, gluten-free, keto-friendly, and free of artificial sweeteners.
Ultima Replenisher costs $0.53 to $1.05 per serving and contains 55 mg sodium, 100 mg magnesium, and 250 mg potassium per serving.
The reviewers found Ultima Replenisher easy to mix, flavorful, and available in eight flavors plus variety packs, although some flavors are too sweet.
Its relatively low sodium content distinguishes it from high-sodium products such as Re-Lyte and LMNT.
2. Liquid I.V. Sugar-Free Hydration Multiplier: Best-Tasting Electrolyte Product
Liquid I.V. Sugar-Free Hydration Multiplier is the review’s best-tasting electrolyte product.
Liquid I.V. Sugar-Free uses allulose and stevia as sweeteners.
Compared with Ultima Replenisher, Liquid I.V. Sugar-Free has more sodium and potassium but less overall electrolyte variety, no magnesium, a higher price, and more carbohydrates per serving.
This comparison concerns the sugar-free formula, not regular Liquid I.V. Its distinction is important for readers deciding between the two versions.
3. LMNT: Best for Keto Diets and Heavy Sweaters
LMNT is recommended for people following a keto diet and provides 1,000 mg of sodium, 60 mg of magnesium, and 200 mg of potassium per serving.
LMNT Electrolyte Drink Mix is recommended for heavy sweaters.
LMNT contains sodium, potassium, magnesium, and no sugar, fillers, or artificial ingredients.
LMNT provides 1,000 milligrams of sodium per packet, making it suited to endurance exercise, heavy sweating, hot climates, fasting, and low-carb diets.
LMNT includes magnesium, which supports muscle relaxation, nerve function, and recovery.
LMNT has zero sugar and zero carbohydrates, making it compatible with weight-loss, metabolic-health, keto, and low-carb plans.
LMNT can taste salty and may need to be diluted in more water, while it provides no vitamins or calories for workout fuel.
LMNT’s high sodium content may be unnecessary for light activity or ordinary daily hydration.
LMNT is presented as the better option for intense exercise, heavy sweating, salt depletion, cramping, and clean low-carb hydration.
Its high sodium content makes it worth considering for people with substantial sweat losses, but individual needs and any medical sodium restrictions should be taken into account.
4. SALTT: An Option for People Comparing Magnesium
SALTT has the highest listed magnesium amount at 178 mg per serving, compared with 50 mg in Re-Lyte, 60 mg in LMNT, 25 mg in Nuun Sport, and none in sugar-free Liquid I.V.
LMNT has the highest listed sodium amount at 1,000 mg per serving, while SALTT has the highest listed potassium amount at 415 mg.
These comparisons show why looking at only one nutrient can be misleading. SALTT leads in the listed magnesium and potassium amounts, while LMNT leads in sodium.
The author says Re-Lyte’s serving contains more total listed electrolytes than the other compared products, although LMNT and SALTT do not disclose their chloride amounts.
Because some chloride figures are unavailable, the products cannot be ranked conclusively by total electrolyte content using the supplied information alone.
5. Nuun Sport: Recommended for Hiking
Nuun Sport Hydration is recommended for hiking and provides 300 mg of sodium with 4 grams of carbohydrates per serving.
Nuun Sport Powder was selected as the best gluten-free powder and is also vegan and kosher certified.
Nuun Sport Powder provides 300 milligrams of sodium plus potassium and magnesium per packet, with one gram of added sugar and no carbonation.
Nuun Sport Powder dissolves quickly and is considered suitable for workouts lasting an hour or less, although its flavors may be unusually strong.
The supplied review information refers to Nuun Sport in different product descriptions, so readers should check the exact product and serving size before comparing its nutrition figures.
6. LyteLine Lyteshow: Flavorless Electrolytes
LyteLine Lyteshow is recommended as a flavorless electrolyte option and contains no sweetener or carbohydrates.
This makes it an alternative for people who want to avoid the sweetness of conventional electrolyte powders.
Its liquid format also illustrates that electrolyte products do not all need to be sold as powders or sachets.
7. Skratch Labs Hydration Mix: Avoiding Artificial Sweeteners
Skratch Labs Hydration Mix is recommended for people avoiding artificial sweeteners, but it contains 19 grams of carbohydrates per serving from cane sugar and dextrose.
Its carbohydrate content distinguishes it from sugar-free options such as Re-Lyte, LMNT, and Liquid I.V. Sugar-Free.
The right choice depends on whether a person prioritizes carbohydrates for exercise, sugar avoidance, sodium intake, or another nutritional consideration.
8. Laird Superfood Hydrate
The tested products vary widely in sodium content, from 5 mg per serving in Laird Superfood Hydrate to 1,000 mg in LMNT.
This range highlights the importance of reading the nutrition label instead of assuming that all products marketed as electrolyte supplements provide similar amounts of sodium.
9. Transparent Labs Hydrate V3: Best Overall Electrolyte Drink
Transparent Labs Hydrate V3 is the review’s best overall electrolyte drink.
Transparent Labs Hydrate V3 costs $0.72 per serving and provides 500 milligrams of sodium, 250 milligrams of potassium, 50 milligrams of magnesium, and 84 milligrams of calcium.
Transparent Labs Hydrate V3 is third-party tested through Informed Choice and contains no added sugar, artificial sweeteners, artificial coloring, or preservatives.
Transparent Labs Hydrate V3 also contains taurine and a Senactiv adaptogen blend intended to support exercise performance and recovery.
The review’s tester rated Transparent Labs Hydrate V3’s Tropical Punch flavor 5 out of 5 and compared it to concentrated Hawaiian Punch.
Its combination of electrolytes, testing, flavor, and price makes it a separate option to consider alongside Re-Lyte and Liquid I.V.
10. Quince Everyday Electrolytes
Quince Everyday Electrolytes is the article’s best-tasting electrolyte powder.
This recommendation reflects the particular review’s assessment rather than a universal taste ranking across all electrolyte products.
11. Liquid I.V. Hydration Multiplier: Best for Hangovers
Liquid I.V. Hydration Multiplier is named the best electrolyte drink for hangovers in the 2026 roundup.
The page lists a 25% discount on Liquid I.V. Hydration Multiplier with code LDW25.
The discount is a source-reported promotion and may not remain active. Readers should check the current terms and availability before relying on the code.
The hangover recommendation concerns the roundup’s product selection; it should not be interpreted as proof that an electrolyte drink prevents or cures a hangover.
How Much Sodium Do You Need During Exercise?
The article recommends 500 to 700 milligrams of sodium for exercise lasting longer than one hour, citing guidance from the American College of Sports Medicine.
This recommendation should be interpreted in the context of the specific guidance and the individual. Exercise duration, sweat rate, environmental temperature, and the amount of sodium lost through sweat can influence electrolyte requirements.
For someone exercising lightly for a short period, a high-sodium product may not be necessary. Someone exercising for longer periods in heat or losing substantial amounts of salt through sweat may have different needs.
Re-Lyte’s stated 810 mg of sodium per serving and LMNT’s 1,000 mg per packet are higher than the 500–700 mg range quoted in the supplied review. This does not establish that either product is unsuitable; it means that serving size and individual requirements matter.
People with conditions requiring sodium restriction should seek appropriate medical guidance before using high-sodium electrolyte supplements.
Are Homemade Electrolyte Drinks and Coconut Water Good Alternatives?
Homemade electrolyte drinks and coconut water are presented as lower-cost alternatives to commercial products, with coconut water naturally providing potassium, magnesium, sodium, and calcium.
These alternatives may appeal to people looking for lower-cost ways to obtain fluids and electrolytes.
However, their nutritional profiles differ from commercial electrolyte formulas. Someone comparing products should consider the actual amounts of sodium, potassium, and other minerals rather than assuming that all alternatives offer equivalent electrolyte replacement.
Commercial powders may offer more precise serving information, while homemade drinks depend on their ingredients and preparation.
Which Electrolyte Product Should You Choose?
The best electrolyte product depends on individual activity, diet, and hydration needs.
Here is a practical summary of the products covered in the supplied reviews.
| Your priority | Product to consider | Main reason |
|---|---|---|
| Sugar-free electrolytes with sodium and potassium | Re-Lyte | Sugar-free formula with several listed electrolytes |
| Sweetness and palatability | Liquid I.V. | Sweetened formula and glucose-assisted hydration approach |
| Sugar-free flavor option | Liquid I.V. Sugar-Free | Uses allulose and stevia |
| High sodium for heavy sweating | LMNT | 1,000 mg of sodium per packet |
| Higher listed magnesium | SALTT | 178 mg of magnesium per serving |
| Budget-friendly everyday powder | Ultima Replenisher | Selected as the best overall and best budget option |
| Hiking | Nuun Sport Hydration | Recommended for hiking |
| Flavorless electrolytes | LyteLine Lyteshow | No sweetener or carbohydrates |
| Avoiding artificial sweeteners | Skratch Labs Hydration Mix | Uses cane sugar and dextrose |
| Best overall in another review | Transparent Labs Hydrate V3 | Electrolytes, testing, and a highly rated flavor |
| Best-tasting in another review | Quince Everyday Electrolytes | Selected for taste |
| Hangover-related hydration preference | Liquid I.V. Hydration Multiplier | Named best for hangovers in the 2026 roundup |
These selections come from different supplied reviews, so they should not be interpreted as results from one standardized head-to-head test.
Frequently Asked Questions
Is Re-Lyte better than Liquid I.V.?
Re-Lyte is favored for its electrolyte content and sugar-free ingredients, while Liquid I.V. suits users prioritizing sweetness or palatability. The better option depends on individual activity, diet, hydration requirements, and product version.
Does Re-Lyte contain sugar?
No. Re-Lyte contains no sugar according to the supplied product information.
Does Liquid I.V. contain magnesium?
The Liquid I.V. formula described in the supplied comparison lists no magnesium or calcium. Product versions differ, so check the current label of the specific formula you intend to buy.
Is Re-Lyte suitable for keto diets?
The supplied review considers Re-Lyte keto-friendly because it contains no sugar. Readers following a strict diet should still verify the complete nutrition label and serving information.
Is LMNT better for heavy sweaters?
LMNT is recommended for heavy sweaters because it provides 1,000 mg of sodium per packet. Whether that amount is appropriate depends on individual sweat losses, activity, and medical considerations.
Is Liquid I.V. Sugar-Free the same as regular Liquid I.V.?
No. Liquid I.V. Sugar-Free uses allulose and stevia as sweeteners, while regular Liquid I.V. contains substantially more sugar than Re-Lyte. Their carbohydrate and ingredient profiles should be compared separately.
Is coconut water a good alternative to electrolyte powder?
Coconut water naturally provides potassium, magnesium, sodium, and calcium and is presented as a lower-cost alternative to commercial products. Its nutrient amounts may differ from those of a concentrated electrolyte formula.
Final Verdict: Re-Lyte vs Liquid I.V.
Re-Lyte and Liquid I.V. offer different approaches to electrolyte replacement.
Re-Lyte is a sugar-free electrolyte mix emphasizing sodium, potassium, chloride, magnesium, and calcium. Its salt source, mineral-focused formula, and availability in both sachets and bulk tubs distinguish it from Liquid I.V.
Liquid I.V. is aimed at users who prioritize sweetness or palatability and offers both regular and sugar-free formulas. It also provides vitamin C and B vitamins, while its glucose-assisted absorption approach distinguishes the regular formula from Re-Lyte.
The wider electrolyte market offers additional choices, including LMNT for high sodium, SALTT for its higher listed magnesium amount, Ultima Replenisher for everyday use, Nuun Sport for hiking, LyteLine Lyteshow for a flavorless option, and Transparent Labs Hydrate V3 for its combination of electrolytes and third-party testing.
The most useful way to choose is to compare the actual product label, electrolyte amounts, sugar and carbohydrate content, taste, price per serving, and dietary compatibility.
Choose Re-Lyte if you prioritize a sugar-free formula with several listed electrolytes. Consider Liquid I.V. if sweetness and palatability matter more, and compare its regular and sugar-free versions separately.