An honest comparison
Liquid IV vs LMNT
Liquid IV and LMNT are both electrolyte mixes — but their formulation differs in ways that matter for whether you should pick one or the other based on your diet pattern (low-carb vs normal-carb).
At a glance
| Metric | Liquid IV | LMNT |
|---|---|---|
| Cost / month | $35 | $45 |
| Evidence quality | moderate | moderate |
| Key features | 500mg sodium per stick · Contains 11g sugar (glucose for transport) · Multiple flavors and product lines | 1000mg sodium per stick · Zero sugar, no artificial colors · 200mg potassium, 60mg magnesium |
Who should pick Liquid IV
Liquid IV suits Adults who eat carbs normally and want mainstream-available hydration. Athletes during prolonged exercise. Avoid if low-carb/keto..
Who should pick LMNT
LMNT suits Low-carb / keto / fasting adults whose sodium needs are elevated, athletes with significant sweat losses, post-GLP-1 users prone to dehydration..
The honest verdict
Sodium content is the most important variable: Liquid IV provides 500mg sodium per stick, LMNT provides 1000mg sodium per stick. If you eat low-carb, fast, or sweat heavily, prefer the higher-sodium options. If you eat normal carbs, lower-sodium options with glucose may aid hydration via cotransport — but watch the sugar content.
Why both might fail you (and what to do instead)
Both fail as a substitute for actual hydration. Electrolytes help in specific contexts (low-carb, fasting, heavy exercise) but won't fix the underlying issue if you're under-eating sodium across all meals or chronically dehydrated.
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Still not sure which fits?
The Metabolic Damage Assessment maps your profile to a starter protocol matched to your specific patterns — not a generic comparison.