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Nuun U by Nuun Natural Hydration

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Product Code: 30101

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Add a little twist to your hydration with these fun, exotic flavor tabs packed with electrolytes from Nuun. Nuun U Natural Hydration is used by walkers, hikers, weight lifters and other fitness enthusiasts. No more dealing with messy powders. Simply drop 1-2 tablets into a 20 ounce water bottle. Keep a tube of Nuun U Natural Hydration tablets in your sports bag or gym locker.

High Quality Nutrients

  • Light, refreshing taste.
  • Sugar-free.
  • Contains important electrolytes.
  • Under 8 calories per tab.
  • Tab dissolves in an instant and absorbs quickly.
  • 1 tube per order / 16 tablets per tube.
  • One 16oz drink per tablet.

Nutritional Information

  • The following nutritional information is based on one Nuun tablet dissolved in 500ml (16oz) of water
  • There are only 6 calories per Nuun tablet
  • Sodium (carbonates) 360.0 mg)
  • Potassium (bicarbonate) 100.0 (mg)
  • Calcium (carbonate) 12.5 (mg)
  • Magnesium (sulfate) 25.0 (mg)
  • Vitamin C 37.5 (mg)
  • Vitamin B2 500 (mcg)

Other ingredients: citric acid, sorbitol, sodium carbonate, natural colors and flavors, sodium bicarbonate, potassium bicarbonate, polyethylene glycol, magnesium sulfate, sodium benzoate, calcium carbonate, acesulfame potassium, riboflavin-5-phosphate.


  • 2.5 star rating (Based on 2 Reviews)

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  • rating star
    By from
    on 10/1/2013

    Of all the flavors I have tried (nearly all) this is the only one I didn't care for.  It had an aftertaste like artificial sweeteners to me.  Then I looked at the package info and saw that it was the only one I bought that had Stevia in it.  So maybe that was it.  I prefer sorbitol.

  • rating star
    By from
    on 4/28/2012

    Not really sure how much it helps, but great taste and nifty way to stay hydrated.



Nuun (pronounced 'noon') was originally the brainchild of a student and professor from Dartmouth College's Tuck School business program in their search for an electrolyte hydration solution that was conveniently lightweight, easily-dissolvable and free of carbohydrates.

Dissatisfied by the pre-made and powdered options on the market, they set about developing their own solution. The Nuun tab they ultimately developed turns every water fountain into a source of optimal, balanced hydration.