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Best Electrolytes & Hydration Tablets – 2021 Review

last updated: Mar 25, 2021
Runners and other athletes tend to >sweat a lot, losing not only the vital water that makes up 80% of our bodies, but also important minerals such as sodium, calcium, potassium, and magnesium.

These minerals are known as electrolytes and for anyone who sweats a lot, special attention needs to be paid to replacing and maintaining these key elements in our bodies. For athletes with high electrolyte needs, there are tons of options on the market for helping them do just that.

In this buying guide, we're focusing on products that come in easy-to-take electrolytes and hydration tablets because they're the easiest and simplest way to keep your electrolyte tanks topped off so you can keep on running and feeling great.

In a Hurry? The test winner after 18 hrs of research

icon
SaltStick
94.8/100 our score
Effectiveness
99
Materials
96
Product Purity
95
Side Effects
94
Value
90
SaltStick
Why is it better?

Extremely effective

Easy to swallow

Gluten-free

No soy, nuts, sweeteners, or high fructose corn syrup

In a Hurry? Editors choice:
SaltStick
Test Winner: SaltStick
Amazon Link
Researched Sources
18
Researched Sources
Reviews Considered
1824
Reviews Considered
Hours Researching
18
Hours Researching
Products Evaluated
17
Products Evaluated
Sorting Options
Effectiveness Materials Product Purity Side Effects Value By Default
Rank
PictureProduct
Name
Rating
Shops
#1
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
94.8
Effectiveness
99 %
Materials
96 %
Product Purity
95 %
Side Effects
94 %
Value
90 %
Price Comparison Last Updated (11.04.21)
Amazon Link
#2
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
93.4
Effectiveness
96 %
Materials
94 %
Product Purity
94 %
Side Effects
93 %
Value
90 %
Price Comparison Last Updated (11.04.21)
Amazon Link
#3
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
90.8
Effectiveness
95 %
Materials
88 %
Product Purity
86 %
Side Effects
90 %
Value
95 %
Price Comparison Last Updated (11.04.21)
Amazon Link
#4
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
88
Effectiveness
87 %
Materials
88 %
Product Purity
88 %
Side Effects
88 %
Value
89 %
Price Comparison Last Updated (11.04.21)
Amazon Link
#5
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
87.2
Effectiveness
88 %
Materials
86 %
Product Purity
87 %
Side Effects
87 %
Value
88 %
Price Comparison Last Updated (11.04.21)
#6
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
86.6
Effectiveness
87 %
Materials
84 %
Product Purity
82 %
Side Effects
85 %
Value
95 %
Price Comparison Last Updated (11.04.21)
Amazon Link
#7
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
86.4
Effectiveness
86 %
Materials
86 %
Product Purity
87 %
Side Effects
86 %
Value
87 %
Price Comparison Last Updated (11.04.21)
Amazon Link
#8
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
85
Effectiveness
85 %
Materials
86 %
Product Purity
84 %
Side Effects
85 %
Value
85 %
Price Comparison Last Updated (11.04.21)
Amazon Link
#9
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
83.8
Effectiveness
80 %
Materials
85 %
Product Purity
85 %
Side Effects
80 %
Value
89 %
Price Comparison Last Updated (11.04.21)
Amazon Link
#10
The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
82
Effectiveness
80 %
Materials
88 %
Product Purity
87 %
Side Effects
80 %
Value
75 %
Price Comparison Last Updated (11.04.21)
Amazon Link

10 Best Electrolytes and Hydration Tablets

1. SaltStick

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
94.8
SaltStick Capsules
SaltStick Caps
SaltStick Caps
Amazon Link
Effectiveness
99
Materials
96
Product Purity
95
Side Effects
94
Value
90
best offer for today
Amazon Link
Pros:

Extremely effective

Easy to swallow

Gluten-free

No soy, nuts, sweeteners, or high fructose corn syrup

Cons:

Not for mild electrolyte loss, only take when you really need them

This option has been endorsed by elite athletes and is great for preventing and reducing muscle cramping, minimize heat stress, and keeping your electrolyte levels high. They're great for runners, people who work outside in the heat, and even travelers because they help you to digest foods that are unfamiliar.

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Effectiveness and Materials

These get rave reviews for how well they work. n fact, they work so well at replacing electrolytes that if you're NOT already extremely deficient in electrolytes, they may give you a funny feeling when you take them. These capsules have 215 mg of sodium, 63 mg of potassium, 14 mg of calcium, 22 mg of magnesium, and 100 IU Vitamin D per capsule.

Product Purity and Side Effects

Based on our research, the company seems to source its ingredients naturally. This one also has no nuts or soy, is gluten-free, and contains no high fructose corn syrup or sweeteners. We only found a few instances of mild side effects such as upset stomach and headache, but these seemed to be very individual and happened to people who had certain medical conditions.

Value

These run a little on the high end, but users mostly felt they were worth it because of how well they work at replacing electrolytes.

2. Nuun Hydration

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
93.4
Nuun Sport: Electrolyte Drink Tablets
Nuun Sport: Electrolyte Drink Tablets
Amazon Link
Effectiveness
96
Materials
94
Product Purity
94
Side Effects
93
Value
90
best offer for today
Amazon Link
Pros:

Stops muscle cramps

Variety of flavors available

Easy to use and dissolves easily

Also gives an energy boost

Cons:

Some don't like the aftertaste

The body loses a lot while it sweats, which is why hydration tablets can be such a useful way to quickly replenish yourself. Nuun hydration 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.

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The benefits of this boost run the gamut from a reduced risk for cramping all the way to improved muscle performance.

Additionally, Nuun Hydration 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. Let us show you what more can Nuun offer to you.

3. TRIORAL

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
90.8
TRIORAL - Oral Rehydration Salts ORS
TRIORAL - Oral Rehydration Salts ORS
Amazon Link
Effectiveness
95
Materials
88
Product Purity
86
Side Effects
90
Value
95
best offer for today
Amazon Link
Pros:

W.H.O. approved

USFDA approved

Ideal for race day, or even a first aid kit

No artificial colors, preservatives or flavors

Cons:

The taste isn't super great

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.

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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 oomph, this is undoubtedly it.

4. GU Hydration

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
88
GU Hydration Electrolyte Drink Tablets
GU Energy Hydration Electrolyte Drink Tablets
Amazon Link
Effectiveness
87
Materials
88
Product Purity
88
Side Effects
88
Value
89
best offer for today
Amazon Link
Pros:

12 tablets

10 calories each

Maintains water balance

Effervescent flavor

Made with vegan ingredients

Comes with 4 different flavors

Cons:

Some runners prefer a non-effervescent product

You get twelve effervescent tablets with four different flavors to choose from. The sodium levels are at 320 mg which serves to stabilize personal water balance.

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With just ten calories per tablet, these are full of electrolytes to revitalize during a run or right after a run.

They come in light delicate flavors which work well with an effervescent drink, you get 320 mg of needed sodium with each tab/drink.

The cost of this is a little higher than some of the other products on this list but, that is because you are getting more bang for your buck as they say.

5. Science in Sport

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
87.2
Science in Sport Go Hydro Electrolyte Tablets
Science in Sport Go Hydro Electrolyte Tablets
Amazon Link
Effectiveness
88
Materials
86
Product Purity
87
Side Effects
87
Value
88
best offer for today
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Pros:

Dissolvable hydration tabs

81 mg Magnesium per tablet

Caffeine free

Cons:

It is sweetened with sucralose which may not be the best option for some people

Science in sport may be the brand you look for when it comes to hydration tablets. It may be a less known brand but it’s really worth it to test it. These tablets will help you to maintain water balance even if you sweat a lot.

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The brand manages to provide a good amount of electrolytes but they make very good taste.

Our biggest surprise was when we’ve discovered there’s Cola taste and it’s absolutely delicious. Even if you’re not a fan of cola, there are different tasty choices.

It really fast dissolves in the water and the tube is rather portable- it has about 15 centimeters.

6. Hydralyte

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
86.6
Hydralyte - Effervescent Electrolyte Tablets for On-The-Go Clinical Hydration
Amazon Link
Effectiveness
87
Materials
84
Product Purity
82
Side Effects
85
Value
95
best offer for today
Amazon Link
Pros:

They can be taken even by children

Not too sweet

Hydralyte is gluten and wheat free

No preservatives and aspartame

Cons:

Acidic

The combination of glucose and electrolytes will let you prevent dehydration and keep running much longer than ever. The tablets are packed in the tube. One tube contains 20 tablets and it is quite affordable.

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The tube has less than 20 cm in length so you can put it easily into your sports bag. The product was made on the base of WHO criteria of effective rehydration.

Sucralose is the sweetener in this product, but it’s very safe and good for runners with diabetes. Suitable for people who don’t tolerate lactose.

This option isn’t tested on animals so it’s also for vegetarians and vegans. It’s much more effective than most energy drinks on the market as there are more electrolytes and less sugar.

7. Nuun Vitamins

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
86.4
Nuun Vitamins: Vitamins + Electrolyte Drink Tablets
Nuun Vitamins: Vitamins + Electrolyte Drink Tablets
Amazon Link
Effectiveness
86
Materials
86
Product Purity
87
Side Effects
86
Value
87
best offer for today
Amazon Link
Pros:

Optimizing electrolyte blend

Designed to refresh

Light flavor, stomach sensitive options,

Contains less than one carb, low calories, no additional sugar

Cons:

Some didn't like the flavors

Nuun is a very popular brand when it comes to hydration tablets. One key way this product differs from other is a slighter lower amount of sodium and a higher dose of vitamins.

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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 Tangerine Lime is particularly soothing and easy to digest.

There are 16 tablets in each tube. Just mix one tablet in 16 ounces of water and you are ready to hydrate!

8. LyteCaps

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
85
Electrolyte Replacement Tablets for Serious Rehydration by LyteCaps
Electrolyte Replacement Tablets for Serious Rehydration by LyteCaps
Amazon Link
Effectiveness
85
Materials
86
Product Purity
84
Side Effects
85
Value
85
best offer for today
Amazon Link
Pros:

Sugar-free

No sticky or gunky residue

No pre-mixing or stirring necessary

More electrolytes per serving

Cons:

The flavors were too sweet for some

LyteCaps is one of the most liked names when it comes to hydration products, and their electrolyte tablets are no exception.

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The LyteCaps 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 vitamins and minerals. There’s L Tyrosine in this product.

There are 30 serving on one package and in addition, the price is very competitive.

9. Trace Minerals Research

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
83.8
Trace Minerals Research Electrolyte Stamina
Amazon Link
Effectiveness
80
Materials
85
Product Purity
85
Side Effects
80
Value
89
best offer for today
Amazon Link
Pros:

Effective

72 different trace minerals

Company manufacturs their own ingredients

Value priced

Cons:

Difficult to swallow

This product gets good marks for users based on its effectiveness and amount of trace minerals above and beyond just those that are necessary for hydration.

Read more

Most users found this to be very effective at its purpose, and we found that not just athletes are using this, but also students and people who spend all day at work on their feet for how good it works.

Besides electrolytes, this option also contains magnesium and L-taurine to help your body assimilate its nutrients and give you a wide spectrum of benefits beyond just hydration, such as more energy and stamina, and a reduction in cramps.

10. Hi Lyte

The rating is based on the average rating (1-100) from all the criteria in which we rated this product.
82
Hi Lyte Capsules
Hi Lyte Capsules
Amazon Link
Effectiveness
80
Materials
88
Product Purity
87
Side Effects
80
Value
75
best offer for today
Amazon Link
Pros:

Very pure ingredients

Stops headaches and dizziness

Naturally sourced sea-based ingredients

100% money back guarantee

Cons:

Expensive

Rare cases of reacting strangely to certain existing medical conditions

These are perfect for serious runners, cyclists, yogis, and endurance athletes. The company prides themselves on their natural ingredients and the salt in these is sourced from the Great Salt Lakes in Utah.

Read more

This option got really good reviews for its ability to stop cramps and headaches and to do so very quickly after you've taken it.

The ingredients in this product are sourced naturally and reported to be pure, and the company seems to take pride in this aspect of its operation. They are vegan, gluten-free, non-GMO, and keto certified.

We found few cases of reported side-effects, and in most cases, they seemed to be based on an existing medical condition and weren't representative of most user's experience.

Criteria Used for Evaluation

Effectiveness

When it comes to staying hydrated and keeping our bodies properly balanced with the right nutrients and electrolytes, it is important to use reliable products.

We are counting on these tablets to help us stay healthy and safe while we are out for a run or are working out so they need to be effective. Here at RunnerClick, we made sure to test every product we featured and ensured that they are effective and easy to use.

The product you choose must make you hydrated and this must lead to increasing muscle performance. Usually, these type of products helps with muscle cramps which aren’t very rare in runner’s world. The effects should be visible fast and you should feel the boost of energy.

Materials

We had to make sure that they were made from the best ingredients available.

A good option is to search for electrolytes such as potassium, magnesium, etc. Many tablets are reinforced with vitamins that will let you perform better.

Carbohydrates are the next thing you should consider. They’re used with electrolytes usually when you work out more than an hour and it’s rather intensive training.

We also made sure to look at the ingredient list for each product that we tried and tested. The ones that make it onto our top 10 list here are made from the finest of ingredients and are formulated to work correctly and reliably when you need them the most.

Product Purity

We looked at product purity which in this case we focused on calories and artificial flavoring

It is important to make sure there are no harmful chemicals or needless additives in the products we consume. We also have to make sure that the ingredients listed are correct and sourced from pure and reliable sources.

The RunnerClick review team took this upon our selves and we checked every product we tested and made sure the product label is correct and the ingredients are pure.

While doing our research, we’ve discovered that many people tend to ask how many calories are in each tablet. There are many different versions of electrolytes, some have more calories, the others are advertised are low calories products.

We think that it shouldn’t matter very much here as while running, you burn so many calories that one or two tablets won’t make a difference.

There’s one thing that we really don’t like about some electrolytes/ hydration tablets - artificial flavors. We avoided putting products like these on our list.

Side Effects

Most people have zero negative side effects while taking this type of product, but it's always a good idea to talk to a healthcare professional before starting to take any nutritional supplement.

During our testing, we made sure to find the hydration tablets that have the fewest reported side effects and that the ones that were reported were minor and short-lived. Unless you have an allergy to something used in the tablet itself, you should not have any worry about the side effects of any of the options we featured on our list.

Value

We looked for the best hydration tablets at a good price. We also made sure they were all high-quality products as well.

The final factor we took into account during our search and review of the best hydration and electrolyte tablets on the market is the overall value that they offer.

We rated value based on several points including the price, the dosage, the purity of the ingredients, the reliability of the results, and user reviews from past consumers. All of this combined gave us an idea of how valuable each product could be for you!

Expert Interviews & Opinions

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Be honest about your electrolyte needs

It seems to be part of human nature to think we're working harder than we actually are, and that's natural and ok. But it's important to be honest with yourself about what your body needs when selecting electrolytes.

A few of the products on our list are designed to meet the needs of high endurance athletes and are so effective that if you take them and don't really need them, you could experience some discomfort. We also included plenty of options for all different types of users to there's something for everyone.

Drink plenty of water and read the label

Be sure to drink plenty of water to stay hydrated, no matter what supplements you're taking.

Also, this type of product works best when taken with plenty of water, but be sure to read the label for use instructions to make sure you're getting the most out of the product.

Frequently Asked Questions

q: Are these products suitable for children?

a:

No, not every product is suitable for children. If you find the option you want, check the information about giving it to children. Most of the products are suitable for children, but not every.

q: Are tablets the only version of electrolyte supplements?

a:

No, there are more options on the market. There are tablets that are very easy to use, there are powders that aren’t more complicated and there are also beverages.

Whether you choose a recovery powder, tablet, or liquid electrolyte product, it’s best to talk with a professional to figure out what a good and safe option is for you.

q: I’m preparing for a marathon and I work really hard, do I really need these tablets?

a:

We can’t tell you if you should take tablets because we don't know your situation, or if you do need them or not. This is your decision; however, we can tell you why you may need electrolytes or hydration tablets.

When you run, especially when you run long distances, your body sweats and starts to lose the water. This water has a lot of functions in our body and if you lose it, your body starts to work worse and worse. The most dangerous cases are when you faint because of dehydration.

To keep your body hydrated all the time, it may be a good idea to purchase the tablets.

q: Should I opt for an energy drink or electrolytes?

a:

We know that for some people, the energy drink is a must have even if they don’t run a lot. The truth is, most of these colorful drinks don’t have enough sodium.

Maintaining a good balance of electrolytes may be really hard especially if you run a lot or you are a more professional athlete. There are many ways to provide a good source of electrolytes like tablets, you can also buy salt capsules, energy gels or powders.

q: Will these tablets help prevent cramps?

a:

Cramping is a very unpleasant feeling that happens to every runner. If you don’t provide enough sodium and potassium, cramps can happen often. Potassium helps to move the fluids and nutrients in the cells so it has a very important function. If you don’t provide enough Sodium, your muscles aren’t able to regenerate very fast and that’s why you feel much pain.

Staying hydrated will help prevent you from cramping up so these would definitely help prevent you from cramping.

q: What are some symptoms of dehydration?

a:

This is a good question as not many people recognize the symptoms of dehydration. Sometimes dehydration is mistaken for flu or other illnesses.

The first symptom that you can observe immediately is dry mouth. You have a big need for water and it’s a really uncomfortable feeling. There’s little too on urine when you’re really dehydrated. It may be also a little bit darker than usual. You also tend to be very sleepy and you feel exhausted all the time. A headache is also a common symptom that occurs while dehydration.

q: Are runners the only ones who have problems with being dehydrated?

a:

No, there are many people who are very prone to dehydration and they’re not runners. Runners are at higher risk of dehydration because they do high intensity and many of us practice in hot weather so the water is more needed. People who have problems with kidneys or bladder are also more at risk. Even when you sick and you’ve got a fever or you vomit, your level of hydration is very low.

That’s why even doctors recommend taking electrolytes when you have these symptoms. People who want to lose weight, often forget to provide their body with enough water.

Dehydration is a very serious condition as it may lead to serious health problems especially if you have problems with kidneys. You lose water every day, the problems are getting bigger when the weather gets very hot.

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 types of things, so try a few and see which one of the best electrolytes and hydration tablets on our list work for you.