Nuun Review – How Effective Are These Hydration Tablets?

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By Leslie Waterson

Reviewed by Juliana Tamayo, MS, RDN - Last Updated

Nuun Review

About Nuun Electrolytes

Nuun Electrolyte supplements are flavored tablets containing vitamins and electrolytes that support hydration and electrolyte balance.

When you exercise and force your body to produce a ton of sweat, you also lose some electrolytes. With fewer electrolytes in your system, you might experience an unusual heartbeat, psychological effects, and muscle cramping. Fueling with water is a great start, but your body usually needs more.

That’s where electrolyte replacement powders come into play. These flavored powders or tablets are mixed into a glass of water to infuse the water with the electrolytes your body is craving. In doing so, you’re allowing your body to recover and return to the athletic field! Many companies advertise their products as “electrolyte replacements,” but very few live up to these standards well.

Nuun seems to pride itself on developing delicious products to fuel your next workout. As such, our Nuun review today will look at what Nuun’s products offer and give you a full review. We will discuss the product range, ingredients, benefits, and possible side effects and let you know where you can buy them. Read on to find out more!

Nuun Products

What Are Nuun Tablets?

The Nuun product line consists of flavored tablets designed to add flavor and electrolytes to your bottled water. In addition to electrolytes, they’re also loaded with added minerals, botanicals, and vitamins, depending on the specific product’s goals.

When mixed with water, these electrolyte replacement tablets are designed to work their way into your system and boost your exercise performance, immune response, relaxation, or general health. So, these products give you everything you need to recover from a workout or power through one.

Nuun Hydration Tablets

Advantages and Benefits of Nuun Tablets

  • Each product has great flavors
  • Easily dissolvable tablets
  • Added vitamins, minerals, and plant extracts
  • Vegan & gluten-free
  • Non-GMO


  • Includes added dextrose (sugar)
  • Only has about ten tablets per tube
  • Pretty expensive for the quantity

Who Makes Nuun Tablets?

Nuun is a company that develops delicious products that can boost your electrolyte levels in a snap. They pride themselves in creating electrolyte replacement tablets and mixes that don’t include too much extra sugar or other unhealthy additives. These products are considered “clean” and are suitable for vegan and gluten-free diets.

Their product line consists of Sport, Immunity, Rest, Vitamins, and Endurance products, amongst others.

Nuun Company Logo

Nuun Electrolytes Ingredients

The ingredients of Nuun Sport are avocado oil, beet powder, calcium carbonate, stevia leaf extract, sodium carbonate, citric acid, dextrose, natural flavors, organic green tea extract, malic acid, magnesium oxide, rice extract blend, sodium bicarbonate, and potassium chloride.

Nuun Immunity contains rice concentrate, stevia leaf extract, natural flavors, beet powder, dextrose, citric acid, and avocado oil.

In Nuun Rest, we have whole tart cherry powder, citric acid, dextrose, natural flavors, avocado oil, malic acid, beet powder, stevia leaf extract, and elderberry extract.

Inhgredients of Nuun

The ingredients of Nuun Vitamins are sodium bicarbonate, potassium bicarbonate, citric acid, dextrose, organic green tea extract, calcium carbonate, beetroot powder, Himalayan sea salt, vitamin B6, riboflavin, folic acid, vitamin E, vitamin D, vitamin C, vitamin A, magnesium oxide, avocado oil, and stevia leaf extract, 

The ingredients of Nuun Endurance are potassium chloride, potassium citrate, magnesium citrate, calcium citrate, citric acid, natural organic flavors, cane sugar, sodium citrate, and dextrose.

How does Nuun work?

The Nuun Sport blend comprises decent amounts of potassium, magnesium, and calcium. Yet, what gives it its edge is the 40 milligrams of caffeine in every tablet, which is equivalent to about half a cup of coffee. This added caffeine helps you experience an energy boost that’ll allow you to prolong your workout.

The Immunity blend is rich in healthy botanicals and vitamin C. These ingredients are known to naturally improve your immune system’s functioning and help fight off infections and viruses as they enter your body.

The Rest blend is a relatively equal mixture of sodium, magnesium, and potassium. But it also includes 200 milligrams of tart cherry. This ingredient is often used to improve sleep quality and reduce the side effects of sleep conditions like insomnia.

Nuun Tablets Sport Orange

The Vitamins blend won’t entirely replace your current multivitamin, but it can enhance the health effects. It comes with vitamin C for the immune system, vitamin A for healthy vision, vitamin D for bone health, and vitamin E for skin health. This is a pretty solid combination of essential vitamins; plus, it includes a little caffeine in the mix.

The Endurance blend is designed for any physical activity lasting more than 90 minutes. It’s loaded with carbs (16 grams), magnesium, potassium, and sodium to help you power through your workout or marathon without slowing down or becoming fatigued.

It’s clear that Nuun developed its products around the specific goals of each of the products in its electrolyte replacement line. Either way, the ingredients you’re getting in your product are unmatchable and as pure as they can get.

Are Nuun Tablets Safe To Consume?

Since Nuun’s product line is entirely “clean” and made purely of vitamins, minerals, botanicals, and natural flavoring, there aren’t any significant health side effects. Just make sure you’re checking the product ingredient list, as you might have an allergy to one of the ingredients used for flavoring.

Nuun Cherry Limeade

Where To Buy Nuun

You can buy Nuun’s electrolyte replacement products directly from their website. The Endurance product is $24 for 12 sachets and $20 for an entire container. The tablet products are about $7 per tube of 7 to 10.

Nuun Company Website

Nuun: Is It Worth It?

Nuun’s loyal customer base very highly regards its products. That’s likely because these products are made of some of the purest and healthiest ingredients out there.

Nuun Electrolyte tablets are effortless to use; drop the tablet in your water, give it a shake, and you can easily replace your electrolytes, other vitamins, and minerals within a few minutes. Although we’d be happier if Nuun tablets were cheaper, this is definitely a valuable product for anyone who loves healthy products and exercise enhancers. 

Overall Rating:
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Leslie Waterson

Leslie has been passionately involved in the health and fitness industries for over a decade. She is constantly reviewing the latest scientific research and studies in order to take a research-backed approach to lifestyle optimization. Her main areas of interest include nutrition and supplementation. Leslie shares her findings on Fitness Clone to help other health enthusiasts choose the products and routines that will help them achieve their goals.