14 August, 2026 JON 0 Comments 1 category

LMNT and Sodii are high-sodium, sugar-free electrolyte powders designed for heavy sweating, exercise, hot weather, and low-carb lifestyles. Their formulas are very similar, but Sodii provides slightly more potassium and magnesium, while LMNT is generally easier to find in the United States.

LMNT vs. Sodii

Comparison pointLMNTSodii
Brand originUnited StatesAustralia
Sodium per serving1,000 mg1,000 mg
Potassium per serving200 mg210 mg
Magnesium per serving60 mg70 mg
Sugar0 gLess than 0.5 g
CaloriesUsually fewer than 10Low-calorie
SweetenerStevia in flavored varietiesOrganic stevia
Main salt sourceSodium chloride and potassium chlorideAustralian lake salt from Lake Deborah, Western Australia
Magnesium formMagnesium malateMagnesium gluconate
Other ingredientsCitric acid, malic acid, natural flavors, stevia; some flavors may contain maltodextrin as a carrierNatural flavors, citric or malic acid, tartaric acid, silica, and stevia
Electrolyte focusHigh sodium with moderate potassium and magnesiumHigh sodium with slightly higher potassium and magnesium
Serving sizeCommonly mixed in 16–32 oz of waterCommonly mixed in approximately 16–17 oz of water
Flavor profileSalty, tart, and strongly flavoredSalty, slightly sweet, and fruit-focused
Best suited forHeavy sweaters, endurance training, keto, fasting, and hot climatesAthletes, outdoor workers, heavy sweaters, and everyday high-sodium hydration
AvailabilityStronger availability in the US and onlineMore widely available in Australia
Certification advantageNo major sport-certification advantage identified in the sources reviewedSome Australian listings describe Sodii as HASTA-certified; verify the certification on the specific product
Main advantageEstablished US availability and a simple zero-sugar formulaSlightly higher potassium and magnesium with Australian lake salt
Main drawbackVery high sodium may be unnecessary for lightly active peopleLess convenient and potentially more expensive for US buyers
Taste considerationBetter for people who prefer a bold, salty flavorBetter for people who prefer fruit-forward flavors
Ideal useLong workouts, heavy sweating, heat exposure, keto, and fastingSimilar high-sweat situations, especially in Australia

Which Should You Choose?

Choose LMNT if you:

  • Live in the United States.
  • Want zero sugar.
  • Prefer a widely available product.
  • Follow a keto or low-carb diet.
  • Sweat heavily during workouts or outdoor work.
  • Like a bold, salty flavor.

Choose Sodii if you:

  • Live in Australia.
  • Prefer Australian lake salt and a fruit-focused flavor range.
  • Want slightly more potassium and magnesium.
  • Prefer less than 0.5 g of sugar rather than a strict zero-sugar formula.
  • Need a high-sodium formula for heavy sweating or endurance activity.
Category: Hydration

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