Zero-sugar electrolyte powders, ranked by what the label says

The best zero-sugar electrolyte powders show 0 g sugar in every flavor, mix to a sodium level near the middle of the typical sweat range, and carry few calories. A label can say 0 g when a serving has less than 0.5 g [8], so we apply that test ourselves and leave out anything with sugar missing.

On current label data the top three are UCAN Hydrate + Aminos, Redmond Re-Lyte Energy Electrolyte Mix and Instant Hydration Premium Electrolyte Drink Mix.

31 of 148 products qualify; the top 10 are shown. Oldest label check: Sep 24, 2026. Oldest price check: Sep 24, 2026. How we ranked

The ranking

Some links on this page are affiliate links. We may earn a commission if you buy, and it never changes the data or rankings. Affiliate disclosure.

  1. Powder tub94.2 of 100

    Why it ranks here

    • 845 mg sodium per liter as mixed, in the moderate band (in the lower half of the typical sweat sodium range).
    • 287 mg potassium per liter as mixed.
    • $4.99 per 1,000 mg sodium.
    • 10 calories per 360 mL.
    • Non-sugar sweeteners on the label: stevia.

    Sodium per liter as mixed

    UCAN Hydrate + Aminos sodium per liter: 845 mg/L, in the Moderate band (230 to 920 mg/L). Scale 0 to 2,500 mg/L.
    UCAN Hydrate + Aminos label numbers per 12 fl oz and per liter
    Nutrient12 fl ozLiter
    Sodium300 mg845 mg
    Potassium102 mg287 mg
    Magnesium50 mg141 mg
    Carbs1 g2.8 g
    Sugars0 g0 g
    Calories10 kcal28 kcal
    Per serving
    $1.50
    Per 1,000 mg sodium
    $4.99
    Check price at Amazon (opens in a new tab)

    Label checked . Source (opens in a new tab)

    Price checked Sep 24, 2026 at UCAN (Bag, 20 servings (200 g)).

    Label serving: 1 Scoop (10g), mixed to 12 fl oz (355 mL).

  2. Powder tub94 of 100

    Why it ranks here

    • 1,057 mg sodium per liter as mixed, in the high band (in the upper half of the typical sweat sodium range).
    • 740 mg potassium per liter as mixed.
    • $2.18 per 1,000 mg sodium.
    • 0 calories per 360 mL.
    • Non-sugar sweeteners on the label: stevia.

    Sodium per liter as mixed

    Redmond Re-Lyte Energy Electrolyte Mix sodium per liter: 1,057 mg/L, in the High band (920 to 1,610 mg/L). Scale 0 to 2,500 mg/L.
    Redmond Re-Lyte Energy Electrolyte Mix label numbers per 12 fl oz and per liter
    Nutrient12 fl ozLiter
    Sodium375 mg1,057 mg
    Potassium263 mg740 mg
    Magnesium30 mg85 mg
    Carbs0 g0 g
    Sugars0 g0 g
    Calories0 kcal0 kcal
    Per serving
    $1.09
    Per 1,000 mg sodium
    $2.18
    Check price at Amazon (opens in a new tab)

    Label checked . Source (opens in a new tab)

    Price checked Sep 24, 2026 at Redmond (Jar, 45 servings).

    Label serving: 1 level scoop (6 g), mixed to 16 fl oz (473 mL).

  3. Powder stick92.1 of 100

    Why it ranks here

    • 1,057 mg sodium per liter as mixed, in the high band (in the upper half of the typical sweat sodium range).
    • 994 mg potassium per liter as mixed.
    • $3.67 per 1,000 mg sodium.
    • 8 calories per 360 mL.
    • Non-sugar sweeteners on the label: stevia, monk fruit.

    Sodium per liter as mixed

    Instant Hydration Premium Electrolyte Drink Mix sodium per liter: 1,057 mg/L, in the High band (920 to 1,610 mg/L). Scale 0 to 2,500 mg/L.
    Instant Hydration Premium Electrolyte Drink Mix label numbers per 12 fl oz and per liter
    Nutrient12 fl ozLiter
    Sodium375 mg1,057 mg
    Potassium353 mg994 mg
    Magnesium75 mg211 mg
    Carbs0.8 g2.1 g
    Sugars0 g0 g
    Calories8 kcal21 kcal
    Per serving
    $1.83
    Per 1,000 mg sodium
    $3.67
    Check price at Amazon (opens in a new tab)

    Label checked . Source (opens in a new tab)

    Price checked Sep 24, 2026 at Instant Hydration (30-stick box).

    Label serving: 1 Stick (7.3g), mixed to 16 fl oz (473 mL).

  4. Powder stick90.3 of 100

    Why it ranks here

    • 1,078 mg sodium per liter as mixed, in the high band (in the upper half of the typical sweat sodium range).
    • 1,480 mg potassium per liter as mixed.
    • $2.11 per 1,000 mg sodium.
    • 11 calories per 360 mL.
    • Non-sugar sweeteners on the label: stevia.

    Sodium per liter as mixed

    BODYARMOR Flash I.V. Electrolyte Drink Mix sodium per liter: 1,078 mg/L, in the High band (920 to 1,610 mg/L). Scale 0 to 2,500 mg/L.
    BODYARMOR Flash I.V. Electrolyte Drink Mix label numbers per 12 fl oz and per liter
    Nutrient12 fl ozLiter
    Sodium383 mg1,078 mg
    Potassium525 mg1,480 mg
    Magnesium49 mg137 mg
    Carbs0.8 g2.1 g
    Sugars0 g0 g
    Calories11 kcal32 kcal
    Per serving
    $1.08
    Per 1,000 mg sodium
    $2.11
    Check price at Amazon (opens in a new tab)

    Label checked . Source (opens in a new tab)

    Price checked Sep 24, 2026 at Walmart (6 sticks (Strawberry Kiwi), sold and shipped by Walmart.com).

    Label serving: 1 Packet (7g), mixed to 16 fl oz (473 mL).

  5. Powder stick90.2 of 100

    Why it ranks here

    • 1,057 mg sodium per liter as mixed, in the high band (in the upper half of the typical sweat sodium range).
    • 782 mg potassium per liter as mixed.
    • $3.34 per 1,000 mg sodium.
    • 15 calories per 360 mL.
    • Non-sugar sweeteners on the label: allulose, stevia.

    Sodium per liter as mixed

    Liquid I.V. Energy Multiplier Sugar-Free sodium per liter: 1,057 mg/L, in the High band (920 to 1,610 mg/L). Scale 0 to 2,500 mg/L.
    Liquid I.V. Energy Multiplier Sugar-Free label numbers per 12 fl oz and per liter
    Nutrient12 fl ozLiter
    Sodium375 mg1,057 mg
    Potassium278 mg782 mg
    Magnesium64 mg180 mg
    Carbs3 g8.5 g
    Sugars0 g0 g
    Calories15 kcal42 kcal
    Per serving
    $1.67
    Per 1,000 mg sodium
    $3.34
    Check price at Amazon (opens in a new tab)

    Label checked . Source (opens in a new tab)

    Price checked Sep 24, 2026 at Target (10 sticks (Strawberry Kiwi)).

    Label serving: 1 stick (14g), mixed to 16 fl oz (473 mL).

  6. Powder stick90.2 of 100

    Why it ranks here

    • 1,057 mg sodium per liter as mixed, in the high band (in the upper half of the typical sweat sodium range).
    • 782 mg potassium per liter as mixed.
    • $3.12 per 1,000 mg sodium.
    • 15 calories per 360 mL.
    • Non-sugar sweeteners on the label: allulose, stevia.

    Sodium per liter as mixed

    Liquid I.V. Hydration Multiplier Sugar-Free sodium per liter: 1,057 mg/L, in the High band (920 to 1,610 mg/L). Scale 0 to 2,500 mg/L.
    Liquid I.V. Hydration Multiplier Sugar-Free label numbers per 12 fl oz and per liter
    Nutrient12 fl ozLiter
    Sodium375 mg1,057 mg
    Potassium278 mg782 mg
    Magnesiumnot on labelnot on label
    Carbs3.8 g11 g
    Sugars0 g0 g
    Calories15 kcal42 kcal
    Per serving
    $1.56
    Per 1,000 mg sodium
    $3.12
    Check price at Amazon (opens in a new tab)

    Label checked . Source (opens in a new tab)

    Price checked Sep 24, 2026 at Liquid I.V. (brand store) (14 sticks (1 pouch)).

    Label serving: 1 stick (13g), mixed to 16 fl oz (473 mL).

  7. Powder stick89.4 of 100

    Why it ranks here

    • 698 mg sodium per liter as mixed, in the moderate band (in the lower half of the typical sweat sodium range).
    • 402 mg potassium per liter as mixed.
    • No recorded price, so it goes last in any tie.
    • 4 calories per 360 mL.
    • Non-sugar sweeteners on the label: acesulfame potassium, sucralose.

    Sodium per liter as mixed

    Pedialyte Electrolyte Drink Mix Zero Sugar sodium per liter: 698 mg/L, in the Moderate band (230 to 920 mg/L). Scale 0 to 2,500 mg/L.
    Pedialyte Electrolyte Drink Mix Zero Sugar label numbers per 12 fl oz and per liter
    Nutrient12 fl ozLiter
    Sodium248 mg698 mg
    Potassium143 mg402 mg
    Magnesium41 mg116 mg
    Carbs1.5 g4.2 g
    Sugars0 g0 g
    Calories4 kcal11 kcal
    Per serving
    price not checked
    Per 1,000 mg sodium
    price not checked
    Check price at Amazon (opens in a new tab)

    Label checked . Source (opens in a new tab)

    Price not checked.

    Label serving: 1 packet (3.5 g), mixed to 16 fl oz (473 mL).

  8. Powder tub88.5 of 100

    Why it ranks here

    • 655 mg sodium per liter as mixed, in the moderate band (in the lower half of the typical sweat sodium range).
    • 211 mg potassium per liter as mixed.
    • $2.90 per 1,000 mg sodium.
    • 0 calories per 360 mL.
    • Non-sugar sweeteners on the label: stevia.

    Sodium per liter as mixed

    UCAN Hydrate Electrolyte Drink Mix sodium per liter: 655 mg/L, in the Moderate band (230 to 920 mg/L). Scale 0 to 2,500 mg/L.
    UCAN Hydrate Electrolyte Drink Mix label numbers per 12 fl oz and per liter
    Nutrient12 fl ozLiter
    Sodium233 mg655 mg
    Potassium75 mg211 mg
    Magnesium38 mg106 mg
    Carbs0 g0 g
    Sugars0 g0 g
    Calories0 kcal0 kcal
    Per serving
    $0.90
    Per 1,000 mg sodium
    $2.90
    Check price at Amazon (opens in a new tab)

    Label checked . Source (opens in a new tab)

    Price checked Sep 24, 2026 at UCAN (Jar, 30 servings (90 g)).

    Label serving: 1 scoop (3g), mixed to 16 fl oz (473 mL).

  9. Why it ranks here

    • 1,127 mg sodium per liter as mixed, in the high band (in the upper half of the typical sweat sodium range).
    • 282 mg potassium per liter as mixed.
    • $2.33 per 1,000 mg sodium.
    • 10 calories per 360 mL.
    • No non-sugar sweeteners on the label.

    Sodium per liter as mixed

    Skratch Labs Unsweetened Hydration Sport Drink Mix sodium per liter: 1,127 mg/L, in the High band (920 to 1,610 mg/L). Scale 0 to 2,500 mg/L.
    Skratch Labs Unsweetened Hydration Sport Drink Mix label numbers per 12 fl oz and per liter
    Nutrient12 fl ozLiter
    Sodium400 mg1,127 mg
    Potassium100 mg282 mg
    Magnesium50 mg141 mg
    Carbs1 g2.8 g
    Sugars0 g0 g
    Calories10 kcal28 kcal
    Per serving
    $0.93
    Per 1,000 mg sodium
    $2.33
    Check price at Amazon (opens in a new tab)

    Label checked . Source (opens in a new tab)

    Price checked Sep 24, 2026 at Skratch Labs (Resealable bag, 30 servings (120 g)).

    Label serving: 1 scoop (3.8g), mixed to 12 fl oz (355 mL).

  10. Powder stick88.4 of 100

    Why it ranks here

    • 1,121 mg sodium per liter as mixed, in the high band (in the upper half of the typical sweat sodium range).
    • 803 mg potassium per liter as mixed.
    • $1.41 per 1,000 mg sodium.
    • 11 calories per 360 mL.
    • Non-sugar sweeteners on the label: stevia, allulose.

    Sodium per liter as mixed

    up&up Sugar Free Hydration Drink Mix sodium per liter: 1,121 mg/L, in the High band (920 to 1,610 mg/L). Scale 0 to 2,500 mg/L.
    up&up Sugar Free Hydration Drink Mix label numbers per 12 fl oz and per liter
    Nutrient12 fl ozLiter
    Sodium398 mg1,121 mg
    Potassium285 mg803 mg
    Magnesiumnot on labelnot on label
    Carbs4.5 g13 g
    Sugars0 g0 g
    Calories11 kcal32 kcal
    Per serving
    $0.75
    Per 1,000 mg sodium
    $1.41
    Check price at Target (opens in a new tab)

    Label checked . Source (opens in a new tab)

    Price checked Sep 24, 2026 at Target (20-count box of sticks).

    Label serving: 1 stick (13g), mixed to 16 fl oz (473 mL).

Side by side

Top 10 by rank. Sodium and potassium per liter as mixed, sugar and calories per 12 fl oz.
#ProductSodium per literPotassium per literSugars per 12 fl ozCalories per 12 fl ozCost per 1,000 mg sodiumScore
1UCAN Hydrate + Aminos845 mg287 mg0 g10 kcal$4.9994.2 of 100
2Redmond Re-Lyte Energy Electrolyte Mix1,057 mg740 mg0 g0 kcal$2.1894 of 100
3Instant Hydration Premium Electrolyte Drink Mix1,057 mg994 mg0 g8 kcal$3.6792.1 of 100
4BODYARMOR Flash I.V. Electrolyte Drink Mix1,078 mg1,480 mg0 g11 kcal$2.1190.3 of 100
5Liquid I.V. Energy Multiplier Sugar-Free1,057 mg782 mg0 g15 kcal$3.3490.2 of 100
6Liquid I.V. Hydration Multiplier Sugar-Free1,057 mg782 mg0 g15 kcal$3.1290.2 of 100
7Pedialyte Electrolyte Drink Mix Zero Sugar698 mg402 mg0 g4 kcalprice not checked89.4 of 100
8UCAN Hydrate Electrolyte Drink Mix655 mg211 mg0 g0 kcal$2.9088.5 of 100
9Skratch Labs Unsweetened Hydration Sport Drink Mix1,127 mg282 mg0 g10 kcal$2.3388.5 of 100
10up&up Sugar Free Hydration Drink Mix1,121 mg803 mg0 g11 kcal$1.4188.4 of 100

How we ranked

Only powder sticks and tubs qualify. Each flavor we have on record must list sugars and pass the FDA sugar-free test per serving and per reference amount. Powders that pass are converted to one liter at the label water volume and scored on sodium, potassium and calories.

Who qualifies
Powder sticks and tubs with less than 0.5 g sugars per serving and per 360 mL in every flavor. Labels round this to 0 g. The label must list calories, carbohydrate, sugars, sodium (above 0 mg) and potassium. We do not rank a product whose panel we could not read in full.
How the score works
Up to 60 points for sodium per liter as mixed, with full points at 920 mg/L, the middle of the typical sweat sodium range. Points fall in a straight line either side: half points at 230 and 1,610 mg/L, the ends of that range, and none at 2,300 mg/L or more. Up to 30 points for potassium per liter, with full points at 196 mg/L, the average potassium in sweat. Up to 10 points for fewer calories: full points at 0, none at 40 calories per 360 mL, the FDA low-calorie limit. Zero sugar does not mean zero calories, so fewer calories score higher. Ties go to the product whose label lists more nutrients, then to the lower cost per 1,000 mg sodium. A product with no recorded price goes last in a tie.

Scores use label data and published reference values only. Affiliate links and commission play no part. Read the full methodology.

What to look for in a zero-sugar electrolyte powder

Zero sugar is not zero carbs. Some zero-sugar powders list a few grams of carbohydrate from allulose, maltodextrin, sugar alcohols or flavourings. The per-12 fl oz carbs row under each product shows this.

Sweetener choice. Stevia and monk fruit are common in salt-focused powders. Sucralose and acesulfame potassium turn up in others. The sweetener line under each product comes straight from the label.

Sodium strength. Zero-sugar powders range widely. Some sit around the middle of the typical sweat range and some go past the top, 1,610 mg/L [1]. Stronger is not always better if you only need a little. Our sodium per hour guide helps you size it.

FAQ

Is zero sugar the same as sugar free?

On a US label, yes in practice. “Sugar free” means less than 0.5 g of sugars per serving and per reference amount [8], and labels round that to 0 g. “Zero sugar” is a marketing phrase for the same thing. We test the numbers rather than trusting the phrase.

What is the best zero-sugar electrolyte powder?

On label data, the best zero-sugar powders mix to a sodium level near 920 mg/L, the middle of the typical sweat range, list plenty of potassium and carry the fewest calories. The ranking above applies that rule to every zero-sugar stick and tub in our database.

Why do some zero-sugar powders still have calories?

Carbohydrates that are not sugars, such as allulose or maltodextrin, and sugar alcohols can add calories without counting toward sugars on the label. The amounts are usually small. If you want the FDA calorie-free standard as well, the electrolytes for fasting list applies it.

Is zero-sugar electrolyte powder good for fasting?

Only some are. Zero sugar does not guarantee zero calories, and some powders use maltodextrin or other sugar-type ingredients. The electrolytes for fasting list keeps only products that pass the FDA calorie-free rule and have no sugar ingredients at all.

Oldest label check in this list (UCAN Hydrate + Aminos): . Source (opens in a new tab)