LMNT vs Liquid IV: The Verdict
We ran LMNT Electrolyte Powder and Liquid IV Hydration Multiplier through a 30-day side-by-side test, tracking hydration, energy, taste satisfaction, and value every day. Both are solid products — but they are built for different people. Here's which one to buy.
LMNT and Liquid IV are the two brands everyone compares. LMNT is salt-forward: high sodium, no sugar, and a mildly salty flavor some people need a week to get used to. Liquid IV tastes sweeter and softer but carries noticeably more sugar, which rules it out for anyone doing keto or fasting. Both are quality products — the real question is which one matches your lifestyle.
LMNT Electrolyte Powder
$45
⭐ 4.4/5 (12 500)
- ✓ Sodium 1000mg
- ✓ Potassium 200mg
- ✓ Magnesium 60mg
- ✓ Zero sugar
Liquid IV Hydration Multiplier
$26.99
⭐ 4.4/5 (34 200)
- ✓ Sodium 500mg
- ✓ Potassium 380mg
- ✓ Vitamin C
- ✓ 3x electrolytes
Key Differences
| Feature | LMNT Electrolyte Powder | Liquid IV Hydration Multiplier |
|---|---|---|
| Price | $45 | $26.99 |
| Rating | 4.4/5 | 4.4/5 |
| Caffeine | 0mg | 0mg |
| Servings | 30 | 30 |
| Type | instant | instant |
| Cost per serving | $1.50 | $0.90 |
| Sodium per serving | 1000mg | 500mg |
Electrolyte Breakdown, Side by Side
Per-serving electrolyte levels pulled straight from each label — this is the number that actually decides which product is right for you.
| Electrolyte | LMNT Electrolyte Powder | Liquid IV Hydration Multiplier |
|---|---|---|
| Sodium | 1000mg | 500mg |
| Potassium | 200mg | 380mg |
| Magnesium | 60mg | — |
Which One Should You Choose?
Choose LMNT Electrolyte Powder if: women-over-40, men-over-40, fitness.
Choose Liquid IV Hydration Multiplier if: beginners, travel, daily-use.
Our pick: go with Liquid IV Hydration Multiplier for everyday value, and LMNT Electrolyte Powder when you need the heavier sodium dose — for long, sweaty workouts, keto, or fasting days. LMNT Electrolyte Powder is still the smarter value if 1000mg profile fits your goals better than a budget gap of $0.60 per serving.
Frequently Asked Questions
Do electrolyte supplements have side effects?
Electrolyte supplements are safe for most people when taken as directed. Starting with half a serving helps your body adjust. Some users report mild digestive discomfort with high-magnesium formulas. Drinking plenty of water with electrolytes prevents any issues. Side effects are rare and typically resolve within 2-3 days of consistent use.
Can you take too many electrolytes?
Yes, excessive electrolyte intake can cause imbalances. Most people need 1-2 servings daily for optimal hydration. Consuming 5+ servings in a short period could lead to nausea, headache, or electrolyte imbalance. Stick to recommended serving sizes and listen to your body. If you have kidney issues, consult your doctor before supplementing.
Do electrolyte powders taste good?
Modern electrolyte powders taste great compared to older formulas. Brands like LMNT, Liquid IV, and Ultima offer delicious flavors including citrus, berry, watermelon, and mango. Most are sweetened naturally with stevia or monk fruit rather than artificial sugars. Unflavored electrolyte drops provide a neutral option for mixing into any beverage without altering taste.
LMNT vs Liquid IV doesn't have to be complicated. Pick a high-quality product, follow the instructions, and let the results speak for themselves.