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Nuun Sport Electrolyte Tablets

Photo from a current eBay listing. Packaging may vary by seller and region.

NuunSport Electrolyte Tablets

Drop a tablet in water — done.

Sodium
360 mg
Potassium
100 mg
Magnesium
25 mg

Per serving, from the label. Formulas can change — always check the package.

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Why it's on our list

Nuun Sport tablets are a favorite of runners and cyclists: one fizzy tablet in 16 fl oz of water gives 360 mg of sodium plus potassium and magnesium, with 1 g of sugar. The slim tube fits any bag or bottle cage.

  • 360 mg sodium per tablet
  • Only 10 calories and 1 g sugar
  • Pocket-size tube of 10 tablets

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