7 Best Electrolytes and Hydration Tablets Tested


Staying hydrated is vital, especially when running. Check out the best electrolytes and hydration tablets available on the current market.

Everyone knows staying hydrated is important, especially when it comes to pushing yourself physiologically i.e. running. All it takes it one legitimate bout with dehydration to leave a lasting impression, dizziness, splitting headache, nausea, fatigue — you get the idea, and it’s not a pretty picture. There is more to proper hydration however than simply saying, I need to drink x amount of water today, or this week or whatever the case may be. Another key component of a well crafted hydration regime is to make sure your electrolyte levels are where they should be, and this can be achieved by some of the best electrolytes and hydration tablets.

Our Top 3 Picks
Trioral Rehydration Salts
  • Trioral Rehydration Salts
  • 5 out of 5
    Our rating
  • No artificial colors or flavors
  • Price: See Here
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Medique Medi-Lyte
  • Medique Medi-Lyte
  • 5 out of 5
    Our rating
  • No sodium added
  • Price: See Here
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Nuun U Natural
  • Nuun U Natural
  • 5 out of 5
    Our rating
  • less than one carb
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There are tons of Electrolyte infused products out there from gels to drinks to tablets. We at RunnerClick take pride in helping consumers cut through the “fluff” with personalized reviews of what we know works. Below we’ve taken a hard look at the best electrolytes and hydration tablets. We’ve come up with a list of the ones we prefer, and now we pass it on to you. Enjoy!

7 Best Electrolytes & Hydration Tablets

TRIORAL – Oral Rehydration Salts

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We round out our list with a real heavy hitter. Trioral oral rehydration salts are medical grade hydration tablets approved by the world health organization. This formula is the result of extensive research sponsored by WHO’s Department of Child and Adolescent Health and Development. These packets are an effective, cheap, and safe way to rehydrate your body fast. Although the primary use of these is often “medical” in nature they can offer a real benefit to runners. Particularly ones who like to meet their edge and push their body to the limits. These packets are neatly pre sealed, pre measured and ready to go with a liter of water. If you’re looking for a rehydration tablet with some real ummph this is undoubtedly it.
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Product Details:

- World Health Organization Approved, Osmolarity Oral Re-hydration Salts
- Great for replacing electrolyte during intense activity and physical exertion
- A great addition to any medical (or race day) kit
- Contains Glucose anhydrous at 13.5g, Trisodium Citrate Dehydrate at 2.9g, Sodium Chloride at 2.6g and Potassium Chloride at 1.5g
- Does not have any artificial colors, preservatives, additives or artificial flavors
- Manufactured in line with pharmaceutical GMP Regulations.
- Each product includes a certificate of approval from USFDA
  • W.H.O. approved
  • USFDA approved
  • Ideal for race day, or even a first aid kit
  • No artificial colors, preservatives or flavors
  • The taste isn't super great

Medique 03033 Medi-Lyte electrolyte replacement

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Medique Medi-Lyte replacement tablets are a down and dirty solution for hydration replenishment. They don’t not dissolve in water but rather come in swallowable tablets for quick absorption. Medi-Lyte is a convenient alternative to drinks, powders and other dissolvables and an efficient way to remain in balance. In our experience these tabs can be the difference between feeling tired, miserable, fatigued with a headache and feeling primed. Not everyone likes swallowing capsules, but if you don’t mind these are an excellent solution when it come to keeping your electrolytes where you want them to be.
  • One hundred tablets per box, no need for constant refills!
  • Each individual tab contains potassium chloride at 40mg, calcium phosphate at 18mg and magnesium carbonate at 9mg
  • No sugar or sodium, great for the lactose intolerant
  • Provides relief from heat stress, excessive sweating, fatigue, alcohol consumption and muscle cramping
  • Effective electrolyte replenisher and hydration solution
  • Some aren't crazy about the taste

U Natural Nuun: Hydration Electrolyte & Vitamin

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Nuun is so good that it qualifies for a second mention. One key way this product differs from the Nuun active is a slighter lower amount of sodium and a higher dose of vitamins. These are great for staying properly hydrated, healthy, and boosting your immunity in general. The tablet tubes are easily portable taste great, and absorb quickly in the gut. If you’re someone with a sensitive stomach the lemon ginger is particularly soothing and easy to digest. Each tube contains 16 effervescent tablets, just splash them 16 oz of water and voila!
  • Optimizing electrolyte blend, to replenish you with the added bonus of vitamins and minerals
  • Includes 180 mg Sodium, 77 mg Potassium, 20 mg Magnesium, as well as Vitamin A, Vitamin C, and a mixture of B Vitamins
  • Designed to refresh and keep your body in balance during exercise
  • Light flavor, stomach sensitive options, clean ingredients, no artificial colors or flavors
  • Contains less than one carb, low calories, no additional sugar
  • Some customers didn't like the flavors

Toniiq Hydrating Electrolyte

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If you’ve run yourself into the ground and want to give your body a little bit of love, Toniiq hydrating tablets are a great aid. They are loaded with a nutritionally significant balance of magnesium, potassium, sodium and chloride. This blend goes a long way to getting your body back up and firing on all cylinders as quickly as possible. You can also use them mid-run for a bit of a stamina boost. They come in handy small packets that make them super easy to slip into pockets or even tuck into the edge of a compression short. Only 8 oz of water is needed for Toniiq and if you can get past their name sounding like a posh nightclub, there are real hydrational benefits to be had.
  • Active ingredients: magnesium, potassium, sodium & other electrolytes to help refresh your body after a hard workout or even a night of partying
  • These tablets come in true electrolyte form and this allows for rapid absorption and assimilation so you feel the effects quickly.
  • To-go packets are portable, convenient, and perfect for the on-the-go lifestyle.
  • Zero Calories or artificial additives: who wants to compromise the benefit of exercise by loading their body down with sugar and other chemicals, non issue here.
  • 100% Money Back Guarantee, shop with peace of mind
  • Seems to affect people differently

GU Hydration Electrolyte

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GU is a staple at marathons and triathlons, and this if for good reason. Each package contains a total of 192oz of hydration potential, a nice thing to have in your back pocket. GU is heavy on the sodium with each tablet containing 320 mg to help maintain water balance. GU tablets manage to deliver a high degree of electrolyte based nutrition but avoid the trap of tasting artificial. This balancing act is probably their most attractive feature. Beyond that we’ve generally found their flavors to be light and refreshing. Overall these are tried and true hydration tablets.
  • Dissolvable hydration tabs, effervescent, light, flavorful
  • 320mg of sodium plus other essential electrolytes
  • Xylitol infused for reduced gastrointestinal discomfort
  • All flavors are completely caffeine free
  • Box of 8 tubes with 12 tablets in each, equals 192oz of hydration solution
  • Some aren't crazy about the new ingredients

Camelbak Elixir

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Camelbak is one of the most trusted names when it comes to hydration products, and their electrolyte tablets are no exception. The Elixir 12 Tablets are an excellent alternative to inundating yourself with the sugar found in Gatorade or Powerade. These tablets also have a pretty substantial kick, containing a blend of guarana, ginseng and B-vitamins and 54 mg of caffeine. If you don’t intake caffeine on a consistent basis this is something to consider. There are many flavor options but we were particularly partial to tangerine.
  • Sugar-free, effervescent electrolyte tablet works well with any Camelbak bottle or reservoir, all you need is 16 oz
  • No sticky or gunky residue to clean after consumption
  • No pre-mixing or stirring necessary – just put the tablet in and let it do its work
  • More electrolytes (sodium, potassium, magnesium) on a per serving basis than the most of the leading sports drinks
  • The flavors were too sweet for some

Original Nuun Active: Hydrating Electrolyte

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The body loses a lot while it sweats, which is why hydration tablets can be such a useful way to quickly replenish yourself. Nuun active tablets pack quite a punch. Each tablet can be dissolved into 16 oz of water (or less if you don’t mind a stronger taste) delivering a blast of 4 essential electrolytes: 360 mg of Sodium. 100 mg of Potassium, 25 mg of Magnesium and 13 mg of Calcium. The benefits of this boost run the gamut from a reduced risk for cramping all the way to improved muscle performance. Additionally, Nuun active tabs have less than 1g of carbs, they are relatively low in calories, have no added sugar, and best of all no harsh additives/flavors.
  • Nuun Active electrolyte enhanced drink tabs are well tested and well loved
  • Reformulated to feature improved performance and even healthier ingredients
  • Packed with electrolytes to to pick you up after a tough workout. Stops cramps and improves muscle function
  • Light, fresh flavors, low calories without added sugar
  • Some don't like the aftertaste

Electrolytes is one of those buzzwords that everyone has heard but few people really understand (if you do bear with us). What exactly is an electrolyte? To paraphrase a Webster’s medical dictionary:

Electrolytes are salts and minerals that can conduct electrical impulses in the body. Common human electrolytes are sodium chloride,potassium, calcium, and sodium bicarbonate. Electrolytes control the fluid balance of the body and are important in muscle contraction, energy generation, and almost every major biochemical reaction in the body.

The last sentence is of particular note. Electrolytes are an indispensable ingredient in a finely tuned, and fueled body. In a simplified way they can be thought of a group of chemicals that keeps the electrical impulses in our bodies are working properly. Ignore them at your peril, and if you’re curious there are some great articles with further depth that can be found here and here.

The bottom line is that hydration is serious business, and part of that is making sure that your electrolytes stay in the right balance. Everyone’s going to have a slightly different palate for these type of things, so try a few and see which one of the best electrolytes and hydration tablets on our list work for you. And be aware of how your body responds. Monitor your thirst after your run, and checking the color of your urine isn’t a bad idea either. If ever in doubt consult with a medical professional.


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