Gu Brew Electrolyte Tablets

Priced: $5.49 - $6.50 Rated:   - 5 stars out of 5 by 4 reviews.
Gu Brew Electrolyte Tablets
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Gu Brew Electrolyte Tablets -
GU Brew Electrolyte tablets are simple, light tasting, and made of natural ingredients. When riding, it’s imperative that you stay hydrated, therefore you bring a hydration pack filled with water. The problem is that your body can only use so much water, and the rest is discarded. Therefore, the more you drink, the more you lose. That’s a problem! GU Brew is the solution. GU Brew is filled with electrolytes such as potassium and sodium. These help your body retain more water so your muscles are able to work properly. Available in great flavors, you’ll enjoy staying hydrated.


  • PROPER HYDRATION includes supplementing water with electrolytes DURING activity, but it is not limited ONLY to periods of actual training and racing.
  • Use in conjunction with GU Sports gels or GU Roctane Sports gels (both sold separately) for the ultimate hydration and fueling solution
  • OPTIMAL HYDRATION takes place in the days and weeks before an event or after a hard workout. Use GU Brew Electrolyte Tablets whenever, wherever, and you'll see a boost in preparation, sustenance, as well as recovery.


  • Contains electrolytes sodium and potassium to help accelerate your rehydration
  • Drop 1 Gu Brew Electrolyte tablet in 16 fl. oz. of water; tube contains 12 tablets
  • Only 10 calories per serving
  • Discount will be applied when you check out; offer not valid for sale-price items ending in $._3 or $._9

Gu Brew Electrolyte tablets help you replenish essential sodium and potassium to bring your body back into balance and keep you performing at your best.

Specifications based on Peach Tea flavor. Nutrition facts displayed here and on wrapper may differ. Info on wrapper reflects actual contents. Ingredients: Citric acid, sodium bicarbonate, sorbitol, natural flavor, fructose, potassium bicarbonate, sodium carbonate, stevia leaf extract, sesame oil, riboflavin-5'-phosphate (as color), magnesium oxide.

Made in USA.

Al's Sports

GU Brew Electrolyte Tablets are simple, light tasting and natural. They are invariably better than water alone and bring your system into balance more quickly by helping you retain more of the liquid you ingest.

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Review RatingNumber of Reviews
Best consumed:Before / during / after activity
Calories from fat:0
Calories per serving:10
Carbohydrates:1 gram
Cholesterol:0 milligrams
Dietary fiber:0 grams
Potassium:55 milligrams
Protein:0 grams
Saturated fat:0 grams
Serving size:1 tablet
Servings per container:12
Sodium:320 milligrams
Sugars:0 grams
Total fat:0 grams
Trans fat:0 grams
Weight:55 grams

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Gu Brew Electrolyte Tablets Reviews:

Positive Reviews:

Best of the Fizzy Tablets

I've used GU, Hammer Nutrition, NUUN, and CamelBak Elixir tablets extensively (see also my review on the Hammers). I sweat profusely and require frequent and copious fluid and electrolyte replacement to avoid severe cramping.

All of the brands listed work well (NUUN, subjectively, somewhat less so), but the GU tablets seem to have the best flavor--not too sweet, but an appealing taste much more palatable than the others. One tablet per water bottle seems to be flavorful enough, as opposed to one-and-a-half or two for the others. I would rank them all by taste in this order: 1) GU Brew; 2) CamelBak; 3) Hammer, and 4) NUUN. This is, of course, a matter of personal opinion, but if taste matters to you, try the GU first.
TropX at REI on 03/03/2012

Awesome new product

This is a killer tablet - it beats out all others because it doesn't have a nasty artificial sweetener like nuun or elixer. These tablets are easy to use, dissolve quickly, and have a great electrolyte balance.

With 12 in a tube, it's easy to take along as much drink as you could need on a ride.

GU makes great stuff, and here's another great product from them
MTBmike at REI on 02/02/2012

Actually tastes good!

I used these while working on water projects at the peak of the dry season in India. The daytime temps were around 110 and the lows were in the upper 90s. Multiple days working hard and hiking in this weather made these a go-to product.
AdventureIsOutThere at REI on 01/01/2013

Neutral Reviews:

Not bad but not great either

I picked this up to take along on a hike and they were alright. I like the tablet idea because it takes up less space. However they only really offer electrolytes and very little other nutrients. So really unless you are a heavy sweater and need to replace electrolytes that bad this really isn't needed. The fizzing is also a problem as it takes a while to dissolve and at least for me the fizzing sensation upsets my stomach.
I am more of a fan of Gatorade because it offers carbohydrates as well so if you make a bottle at lunch you are helping to replenish your energy stores as well and electrolytes.
After researching this product as well as Camelbak's most of it is based on pseudoscience and is more of an advertising gimmick than actual fact. They want you to be drinking this all day when in reality if you sip on one bottle through out the day and then drink more water you will be in good shape.
So this would be good to help rehydrate but it is not needed, especially at the price
Pgunnz at REI on 03/03/2013