Quick Answer
LMNT and Redmond Re-Lyte scored highest on ingredient quality among keto electrolytes. Liquid IV flags for maltodextrin. Several options contain sucrose, artificial dyes, or sucralose blends that lower their ingredient scores. Never claim electrolytes treat anything - they are for replenishment during dietary changes.
Best Keto Electrolytes Compared: What the Ingredient Labels Actually Say
The marketing language across this category is nearly identical. Every brand uses words like "optimal hydration," "clean formula," and "keto-friendly." The ingredient lists tell a different story. A PQ Score is CleanKeto's proprietary ingredient quality rating, built from multi-factor analysis of ingredient composition rather than macros. Two products can have the same electrolyte content and land 30 to 40 points apart in PQ based on what surrounds those minerals on the label.
Ranges below reflect variability across flavors and formulation versions. Scores are not nutritional advice and do not constitute a purchase recommendation.
| Product | PQ Range | Key Concern | Sweetener | Verdict |
|---|---|---|---|---|
| LMNT | 72-88 | None identified | Stevia or none (unflavored) | Top Pick |
| Redmond Re-Lyte | 65-82 | None identified | Stevia | Top Pick |
| Ultima Replenisher | 52-68 | Very low sodium dose (55 mg per serving) | Stevia | Acceptable |
| SaltStick Caps | 55-70 | Capsule form, narrower mineral ceiling than powders | None | Functional |
| Nuun Sport | 30-52 | Dextrose present in standard formula | Dextrose + stevia | Use with caution |
| Liquid IV Hydration Multiplier | 20-42 | Maltodextrin, sucrose, dextrose all present | Sucrose + dextrose | Avoid |
| Pedialyte Sport | 18-34 | Sucrose, artificial dyes | Sucrose | Avoid |
LMNT. Sodium at 1,000 mg per packet. Potassium at 200 mg. Magnesium at 60 mg. No sugar, no fillers, no synthetic dye load. Stevia is the sole sweetener in flavored versions, and the unflavored Raw variant contains nothing but minerals. Ingredient analysis finds formulation consistency across all flavor variants reviewed. The dose structure reflects an understanding of keto-specific mineral depletion, not a watered-down sports hydration reformulation.
Redmond Re-Lyte. A close second. Sodium at 810 mg, potassium at 400 mg, magnesium at 80 mg. Re-Lyte uses stevia and, in select variants, coconut water powder, which introduces a trace natural sugar and accounts for the slightly lower score floor versus LMNT. The sodium source is Redmond Real Salt, a mined mineral deposit that USDA FoodData Central classifies with a distinct compositional profile from standard refined sodium chloride. Ingredient analysis places Re-Lyte firmly in the top tier across the full product line.
Ultima Replenisher. The ingredient list is genuinely clean. Stevia is the sweetener, organic flavors are used, and the mineral amounts are disclosed individually rather than buried in a proprietary blend. Ingredient quality is acceptable. The structural problem is sodium. At 55 mg per serving, Ultima is not calibrated for the mineral demands of early keto adaptation. Scoring patterns rate it acceptably on ingredient composition and insufficiently on functional electrolyte load for this specific dietary context.
SaltStick Caps. Capsule format with no sweetener and no flavor additives. Scoring patterns favor this product precisely because there is nothing in it that should not be there. The constraint is the ceiling: capsule delivery limits total mineral dose per serving compared to a concentrated powder. A functional option for people who want clean mineral input without any taste profile.
Nuun Sport. One of the most recognized names in sports electrolytes. The standard Sport formula contains dextrose alongside stevia, and some flavor variants carry artificial flavors. Ingredient analysis places these in the lower-middle range. The Nuun Daily and Rest lines score somewhat better, but Sport is the most widely purchased, and that formulation carries direct ingredient flags for keto-specific use.
Liquid IV Hydration Multiplier. Maltodextrin is a primary ingredient. Sucrose and dextrose are also present in the standard formula. Three high-glycemic carbohydrate inputs in one product. Scoring patterns place this in the 20 to 42 range across formulations reviewed, near the bottom of the electrolyte category. Liquid IV is popular and aggressively distributed. Ingredient analysis indicates it is not appropriate for a clean keto approach.
Pedialyte Sport. A pediatric rehydration formula applied to a sports positioning. Sucrose is the primary carbohydrate source. Artificial dyes appear across several SKUs. Scoring lands at the bottom of the range. This product was not designed with carbohydrate restriction in mind, and ingredient analysis reflects that.
What the Data Shows
Three patterns appear consistently across keto electrolyte ingredient data.
Sweetener choice is the single strongest predictor of PQ Score. Products using stevia as the sole sweetener score 15 to 35 points higher than those using sucrose, dextrose, or maltodextrin at equivalent mineral doses. The data is consistent on this point across every product category CleanKeto analyzes. Sucralose, when it appears, creates a 10 to 25 point penalty versus a comparable stevia formula. Erythritol is flagged in the scoring framework for two reasons: documented GI discomfort potential at cumulative daily doses above roughly 30 g, and a 2023 study published in *Nature Medicine* by Hazen et al. (PubMed PMID 36806289) that raised questions about erythritol plasma concentrations and cardiovascular health markers in a subset of study participants. That data is preliminary, not a clinical conclusion. CleanKeto's position is that the emerging signal is sufficient to discourage erythritol as a primary sweetener, and products using it score accordingly. Allulose is CleanKeto's preferred sweetener. It scores highest due to near-zero glycemic index, a metabolic pathway that bypasses glucose processing, and documented tolerance at typical serving sizes. It is currently rare in commercial electrolyte products. When it appears, scoring analysis places the product near the top of the range, assuming the mineral structure is also clean.
Sodium range across the category spans 18x. LMNT delivers 1,000 mg per serving. Ultima delivers 55 mg. Both are positioned as keto-compatible. USDA FoodData Central nutrient data confirms sodium is among the minerals most directly affected by renal excretion changes during carbohydrate restriction. Products that substantially under-dose sodium may score acceptably on ingredient quality and still fall short on functional delivery for keto-specific purposes. Ingredient quality analysis and functional dose adequacy are two separate evaluations.
Proprietary mineral blends reduce transparency. Several products in this category list a "mineral complex" or "electrolyte blend" without individual milligram amounts for each mineral. When individual doses cannot be verified from the label, scoring defaults to the lower-middle range pending confirmed disclosure. The Scan feature in CleanKeto flags proprietary blends at scan time and identifies whether individual mineral amounts appear elsewhere on the packaging.
How to Choose the Best Keto Electrolytes
Six steps. Apply them to any label before buying.
1. Scan for maltodextrin, sucrose, and dextrose first. Any product listing one of these in the first five ingredients is not built for strict keto use regardless of front-panel positioning. This single filter eliminates Liquid IV and Pedialyte Sport immediately.
2. Identify the sweetener type. Stevia and allulose score best. Stevia is present in LMNT, Re-Lyte, and Ultima. Allulose is CleanKeto's preferred sweetener but is currently uncommon in this product category. Sucralose and acesulfame potassium are scoring penalties. Erythritol is flagged for both GI and emerging cardiovascular data reasons. Sucrose, dextrose, and maltodextrin are disqualifying.
3. Check the sodium number, not just the sodium presence. For early keto adaptation, the relevant range is 500 to 1,000 mg per serving for most people. Below 300 mg generally does not address the mineral shift associated with reduced insulin and glycogen depletion. This step is also where individual factors matter. Dietary sodium from whole food sources, activity level, and medications all affect what the right number is for a specific person.
4. Verify potassium and magnesium milligrams, not just their names. A label listing 10 mg of magnesium is technically disclosing it. Whether 10 mg provides meaningful coverage depends on full daily intake. Look for products in the 50 to 150 mg magnesium range and potassium at 150 mg or above. These numbers are rough reference points, not clinical targets.
5. Check for artificial dyes. FD&C Red 40, Yellow 5, Yellow 6, and Blue 1 appear in a meaningful subset of electrolyte products to produce visually appealing drink colors. They carry no mineral function. Their presence reflects formulation priorities that tend to correlate with other ingredient shortcuts elsewhere in the same label.
6. Scan the exact flavor and SKU you are purchasing. Different flavors of the same brand can use different colorants, sweetener blends, or proprietary additive stacks. Brand-level summaries miss these differences. The Scan feature catches them. Download CleanKeto to build a library of scanned labels so you stop re-reading the same products at the shelf each week.
Quick next step: Scan one label you buy weekly and compare PQ ranges. Women in our community use CleanKeto for ingredient clarity. iOS • Android