The Best Electrolyte Supplements for People Who Don't Like Sugar

Most electrolyte products are glorified sugar water. Gatorade has 34 grams of sugar per bottle. Liquid IV has 11 grams per stick. Even products marketed as "healthy" hydration often contain dextrose, cane sugar, or maltodextrin as their primary ingredients — with electrolytes as an afterthought.

If you are exercising, fasting, eating low-carb, or simply trying to stay hydrated without spiking your blood sugar, you need electrolytes that actually prioritize minerals over sweetness. Here is what to look for and which products deliver.

Why Most People Need More Electrolytes

Electrolytes are minerals that carry electrical charges in your body. The big three — sodium, potassium, and magnesium — regulate hydration, muscle function, nerve signaling, and blood pressure.

You lose electrolytes through sweat, and most people do not replace them adequately through food alone. This is especially true if you:

Exercise regularly (even moderate exercise causes significant sodium loss through sweat)
Eat a low-carb, keto, or carnivore diet (lower insulin levels cause the kidneys to excrete more sodium)
Practice intermittent fasting (no food means no dietary electrolytes for extended periods)
Drink a lot of water (high water intake without electrolytes dilutes your blood sodium)
Live in a hot climate or sweat heavily

Symptoms of low electrolytes include headaches, fatigue, muscle cramps, brain fog, dizziness, and poor sleep. Many people attribute these to being tired or stressed when the real issue is simple mineral deficiency.

What to Look for in an Electrolyte Supplement

The minimum effective doses per serving:

Sodium: 500-1,000mg (this is the most important and most under-dosed electrolyte in commercial products)
Potassium: 200-400mg
Magnesium: 50-100mg

What to avoid:

Added sugar, dextrose, maltodextrin, or cane sugar as a primary ingredient
Artificial colors (Red 40, Blue 1, Yellow 5)
Proprietary blends that do not disclose individual mineral amounts
Products with less than 200mg sodium per serving (functionally useless for electrolyte replenishment)

Our Top Picks

Best Overall: LMNT

Sodium: 1,000mg | Potassium: 200mg | Magnesium: 60mg | Sugar: 0g

Price: ~$1.50 per stick pack

LMNT is the gold standard for sugar-free electrolytes. The sodium dose is the highest of any mainstream product (1,000mg), which is what most active people actually need. The flavor range is excellent — Citrus Salt, Watermelon Salt, and Chocolate Salt are the most popular — and there are unflavored options for adding to water or coffee.

Why it wins: Most electrolyte products contain 100-300mg of sodium and compensate with sugar for taste. LMNT flipped this — high sodium, zero sugar. The formulation was developed with input from researchers studying sodium requirements during exercise and low-carb diets.

Best for: Athletes, low-carb/keto/carnivore dieters, fasting, anyone who sweats heavily.

Best Value: Redmond Re-Lyte

Sodium: 810mg | Potassium: 400mg | Magnesium: 75mg | Sugar: 0g

Price: ~$0.75-$1.00 per serving (tub format)

Re-Lyte uses Redmond Real Salt as its sodium source — an unrefined mineral salt from a Utah deposit that contains 60+ trace minerals. The potassium dose is the highest in this comparison (400mg), and the magnesium is solid. The tub format makes it significantly cheaper per serving than stick packs.

Why it is great: More potassium than LMNT, comparable sodium, and about half the price per serving. The trade-off is slightly less polished flavoring — some flavors have a saltier taste that takes getting used to.

Best for: Budget-conscious daily use, people who want the highest potassium dose.

Best for Mild Use: Nuun Sport

Sodium: 300mg | Potassium: 150mg | Magnesium: 25mg | Sugar: 1g

Price: ~$0.70 per tablet

Nuun tablets dissolve in water and create a lightly flavored, lightly carbonated drink. The electrolyte doses are lower than LMNT or Re-Lyte, but the taste is extremely mild — almost like flavored sparkling water. Contains 1g of sugar per tablet (essentially none).

Why it works: If you find LMNT too salty or Re-Lyte too intense, Nuun is the gentlest entry point. It will not fully replace electrolytes during heavy exercise, but it is significantly better than plain water for daily hydration.

Best for: Light exercisers, people who want subtle flavor, daily hydration without a strong salt taste.

Best Capsule Form: Trace Minerals Electrolyte Stamina Tablets

Sodium: 100mg | Potassium: 99mg | Magnesium: 30mg per tablet | Sugar: 0g

Price: ~$0.15 per tablet

If you hate flavored drinks entirely, capsule electrolytes let you get your minerals without tasting anything. The per-tablet doses are lower (you are expected to take 2-4 tablets), but the flexibility is unmatched — pop a few tablets with any drink you want.

Best for: People who dislike flavored electrolyte drinks, travelers, those who want to add electrolytes without changing what they drink.

The Comparison Table

|---------|--------|-----------|-----------|-------|--------------|

| LMNT | 1,000mg | 200mg | 60mg | 0g | ~$1.50 |

| Redmond Re-Lyte | 810mg | 400mg | 75mg | 0g | ~$0.85 |

| Nuun Sport | 300mg | 150mg | 25mg | 1g | ~$0.70 |

| Trace Minerals (4 tabs) | 400mg | 396mg | 120mg | 0g | ~$0.60 |

| Liquid IV (for comparison) | 500mg | 370mg | 0mg | 11g | ~$1.50 |

| Gatorade (for comparison) | 270mg | 75mg | 0mg | 34g | ~$1.50 |

Notice how Gatorade — the best-known "electrolyte drink" — has the lowest sodium, lowest potassium, zero magnesium, and the most sugar. You are essentially buying sugar water with a sprinkle of salt.

Supplements that actually get tested

Momentous supplements are NSF Certified for Sport, third-party tested, and formulated with clinically studied dosages. No proprietary blends, no fillers.

Learn More

How Much Do You Actually Need?

General guidelines for daily electrolyte intake:

Sodium: 3,000-5,000mg total daily (from food + supplements). This is higher than the USDA recommendation of 2,300mg, which is increasingly considered too low for active people by sports nutrition researchers.
Potassium: 3,500-4,700mg total daily. Most people get 2,000-2,500mg from food, leaving a 1,000-2,000mg gap.
Magnesium: 400-600mg total daily. Most people get 250-350mg from food.

You do not need to supplement the full daily amount — food provides a baseline. One to two servings of a good electrolyte supplement fills the gap that diet alone does not cover.

Key Takeaways

Most electrolyte products are sugar-first, minerals-second — avoid them
LMNT is the best overall for serious athletes and low-carb dieters (1,000mg sodium, 0g sugar)
Redmond Re-Lyte offers the best value with the highest potassium dose
Nuun is the gentlest option for daily hydration
Look for 500mg+ sodium per serving — anything less is not doing enough
You probably need more electrolytes than you think, especially if you exercise, fast, or eat low-carb