Keto electrolytes, ranked by what the label says

The best keto electrolytes keep total carbohydrate very low in every flavor and cover all three minerals on the label: sodium near the middle of the typical sweat range, potassium, and magnesium. We count total carbs as net carbs, because labels do not list fiber and sugar alcohols consistently. That can only overstate carbs.

On current label data the top three are BODYARMOR Flash I.V. Zero Sugar Electrolyte Drink (Ready to Drink), UCAN Hydrate + Aminos and Gatorlyte Zero Sugar.

64 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. Why it ranks here

    • 897 mg sodium per liter as mixed, in the moderate band (in the lower half of the typical sweat sodium range).
    • 1,218 mg potassium per liter as mixed.
    • No recorded price, so it goes last in any tie.
    • 3 g total carbohydrate per serving.
    • 110 mg magnesium per liter as mixed.
    • Non-sugar sweeteners on the label: allulose, stevia.

    Sodium per liter as mixed

    BODYARMOR Flash I.V. Zero Sugar Electrolyte Drink (Ready to Drink) sodium per liter: 897 mg/L, in the Moderate band (230 to 920 mg/L). Scale 0 to 2,500 mg/L.
    BODYARMOR Flash I.V. Zero Sugar Electrolyte Drink (Ready to Drink) label numbers per 12 fl oz and per liter
    Nutrient12 fl ozLiter
    Sodium318 mg897 mg
    Potassium432 mg1,218 mg
    Magnesium39 mg110 mg
    Carbs1.8 g5.1 g
    Sugars0 g0 g
    Calories12 kcal34 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 Bottle (20 fl oz).

  2. Powder tub97.3 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.
    • 1 g total carbohydrate per serving.
    • 141 mg magnesium per liter as mixed.
    • 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).

  3. Ready to drink96.7 of 100

    Why it ranks here

    • 829 mg sodium per liter as mixed, in the moderate band (in the lower half of the typical sweat sodium range).
    • 592 mg potassium per liter as mixed.
    • $5.69 per 1,000 mg sodium.
    • 1 g total carbohydrate per serving.
    • 178 mg magnesium per liter as mixed.
    • Non-sugar sweeteners on the label: stevia.

    Sodium per liter as mixed

    Gatorlyte Zero Sugar sodium per liter: 829 mg/L, in the Moderate band (230 to 920 mg/L). Scale 0 to 2,500 mg/L.
    Gatorlyte Zero Sugar label numbers per 12 fl oz and per liter
    Nutrient12 fl ozLiter
    Sodium294 mg829 mg
    Potassium210 mg592 mg
    Magnesium63 mg178 mg
    Carbs0.6 g1.7 g
    Sugars0 g0 g
    Calories9 kcal25 kcal
    Per serving
    $2.79
    Per 1,000 mg sodium
    $5.69
    Check price at Amazon (opens in a new tab)

    Label checked . Source (opens in a new tab)

    Price checked Sep 24, 2026 at Target (1 x 20 fl oz bottle).

    Label serving: 1 bottle (591 mL).

  4. 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).
    • 275 mg potassium per liter as mixed.
    • $2.40 per 1,000 mg sodium.
    • 3 g total carbohydrate per serving.
    • 21 mg magnesium per liter as mixed.
    • Non-sugar sweeteners on the label: sucralose.

    Sodium per liter as mixed

    Precision Fuel & Hydration PH 1000 Electrolyte Tablets sodium per liter: 1,057 mg/L, in the High band (920 to 1,610 mg/L). Scale 0 to 2,500 mg/L.
    Precision Fuel & Hydration PH 1000 Electrolyte Tablets label numbers per 12 fl oz and per liter
    Nutrient12 fl ozLiter
    Sodium375 mg1,057 mg
    Potassium98 mg275 mg
    Magnesium7.5 mg21 mg
    Carbs2.3 g6.3 g
    Sugars1.5 g4.2 g
    Calories8 kcal21 kcal
    Per serving
    $1.20
    Per 1,000 mg sodium
    $2.40
    Check price at Amazon (opens in a new tab)

    Label checked . Source (opens in a new tab)

    Price checked Sep 24, 2026 at Precision Fuel & Hydration (US store) (Tube of 10 tablets).

    Label serving: 1 tablet (6.0g), mixed to 16 fl oz (473 mL).

  5. 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.
    • 1 g total carbohydrate per serving.
    • 211 mg magnesium per liter as mixed.
    • 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).

  6. Powder tub95 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 g total carbohydrate per serving.
    • 85 mg magnesium per liter as mixed.
    • 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).

  7. Powder stick95 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.
    • 4 g total carbohydrate per serving.
    • 180 mg magnesium per liter as mixed.
    • 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).

  8. Powder stick94.3 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.
    • 1 g total carbohydrate per serving.
    • 137 mg magnesium per liter as mixed.
    • 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).

  9. Powder stick91.9 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.
    • 2 g total carbohydrate per serving.
    • 116 mg magnesium per liter as mixed.
    • 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).

  10. Ready to drink91.6 of 100

    Why it ranks here

    • 688 mg sodium per liter as mixed, in the moderate band (in the lower half of the typical sweat sodium range).
    • 784 mg potassium per liter as mixed.
    • No recorded price, so it goes last in any tie.
    • 0 g total carbohydrate per serving.
    • 48 mg magnesium per liter as mixed.
    • Non-sugar sweeteners on the label: stevia.

    Sodium per liter as mixed

    Electrolit Zero Electrolyte Beverage sodium per liter: 688 mg/L, in the Moderate band (230 to 920 mg/L). Scale 0 to 2,500 mg/L.
    Electrolit Zero Electrolyte Beverage label numbers per 12 fl oz and per liter
    Nutrient12 fl ozLiter
    Sodium244 mg688 mg
    Potassium278 mg784 mg
    Magnesium17 mg48 mg
    Carbs0 g0 g
    Sugars0 g0 g
    Calories0 kcal0 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: 21 fl oz (625mL).

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
1BODYARMOR Flash I.V. Zero Sugar Electrolyte Drink (Ready to Drink)897 mg1,218 mg0 g12 kcalprice not checked99.2 of 100
2UCAN Hydrate + Aminos845 mg287 mg0 g10 kcal$4.9997.3 of 100
3Gatorlyte Zero Sugar829 mg592 mg0 g9 kcal$5.6996.7 of 100
4Precision Fuel & Hydration PH 1000 Electrolyte Tablets1,057 mg275 mg1.5 g8 kcal$2.4095 of 100
5Instant Hydration Premium Electrolyte Drink Mix1,057 mg994 mg0 g8 kcal$3.6795 of 100
6Redmond Re-Lyte Energy Electrolyte Mix1,057 mg740 mg0 g0 kcal$2.1895 of 100
7Liquid I.V. Energy Multiplier Sugar-Free1,057 mg782 mg0 g15 kcal$3.3495 of 100
8BODYARMOR Flash I.V. Electrolyte Drink Mix1,078 mg1,480 mg0 g11 kcal$2.1194.3 of 100
9Pedialyte Electrolyte Drink Mix Zero Sugar698 mg402 mg0 g4 kcalprice not checked91.9 of 100
10Electrolit Zero Electrolyte Beverage688 mg784 mg0 g0 kcalprice not checked91.6 of 100

How we ranked

Any format qualifies if every flavor stays under the carb cutoff in the filter rule below and the label lists sodium. “Keto friendly” is not an FDA term, so the cutoff is our own and is shown in full. Products that pass are scored on sodium and potassium per liter as mixed, plus points if the label lists magnesium.

Who qualifies
Any format with 5 g or less total carbohydrate per serving in every flavor. Labels do not list fiber and sugar alcohols consistently, so we count total carbs as net carbs. 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 50 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 25 points for potassium per liter, with full points at 196 mg/L, the average potassium in sweat. 25 points if the label lists magnesium, since a keto electrolyte is usually bought to cover all three. 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 keto electrolytes

Total carbs per serving. Some “zero sugar” mixes still carry several grams of carbohydrate from allulose, maltodextrin or other ingredients. The carbs row under each product shows the amount per 12 fl oz and per liter.

Sodium, potassium and magnesium. Every product shows sodium and potassium per 12 fl oz and per liter, and magnesium when the label lists it. Listing magnesium earns points on this list.

The sweetener. Most keto-friendly mixes use stevia, monk fruit or sucralose. Each product lists its sweeteners in the notes.

No health claims here. We have no study on keto diets and electrolytes in our reference list, so we compare label contents only.

FAQ

What electrolytes are keto friendly?

The products ranked above all stay under our total carb cutoff per serving in every flavor, shown in the filter rule. They are ordered by sodium and potassium per liter, with points for listing magnesium. Most are zero-sugar powders sweetened with stevia or monk fruit, plus a few zero-sugar bottles.

Are sports drinks keto friendly?

Classic sports drinks are not, because their energy comes from sugar. Zero-sugar versions often are, as long as total carbs per serving stay low. A few zero-sugar bottles appear in this ranking. Check the carbs row under each product rather than relying on “zero” on the front of the bottle.

How do you count net carbs?

We do not subtract anything. Labels list fiber and sugar alcohols inconsistently, so we count total carbohydrate as net carbs. That is stricter than most keto apps, which subtract fiber and some sugar alcohols. A product that passes here will pass a looser net-carb count too.

Do electrolytes help with keto flu?

We cannot say. Our reference list has no study on keto flu, and we do not make health claims. What we can show is how much sodium, potassium and magnesium each product contains per serving and per liter, taken straight from the label with the check date shown.

Oldest label check in this list (BODYARMOR Flash I.V. Zero Sugar Electrolyte Drink (Ready to Drink)): . Source (opens in a new tab)