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Electrolyte fundamentals

High sodium vs. low sodium

More sodium is not automatically better, and less is not automatically cleaner. The number only becomes meaningful when you connect it to serving size, fluid volume, food, duration, weather, and individual sweat losses.

Higher sodium

A concentrated tool

Products around 1,000 mg per stated serving or litre are positioned for situations where users want a substantial sodium contribution. Examples include LMNT and PH 1000. Those numbers are not interchangeable unless the mixed water volume is also compared.

Lower sodium

A lighter contribution

Products such as Nuun Sport, listed at 300 mg per tablet, provide less sodium per serving. That can suit people seeking a lighter mix, but the right comparison still depends on how many servings and how much fluid are consumed.

Why front-label numbers mislead

Per serving

A serving may be one capsule, tablet, scoop, or packet.

Per litre

Concentration changes when powder is mixed into more or less water.

Per session

Total intake includes repeat servings, food, and other drinks.

A better decision process

  1. 1. Define the session. Duration, intensity, environment, and access to food matter.
  2. 2. Compare equivalent units. Convert labels to sodium per serving and, for drinks, per litre.
  3. 3. Account for everything consumed. Electrolytes do not exist separately from meals and snacks.
  4. 4. Test conservatively. Follow directions and evaluate taste and tolerance during ordinary training.
  5. 5. Get personal guidance when needed. Medical conditions and medications can change what is appropriate.