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Hydration Electrolytes Tablets Comparison - April 2026

7 Best Hydration Electrolytes Tablets In the UK

Last Updated - 03/04/2026

Advertising Disclosure

Our Score

To Amazon

View DealOn Amazon

Model

Science in Sport Hydro Electrolyte Tablets 20 pcs. Berry – Vegan & Gluten-Free, Ideal to Promote Hydration and Maintain Electrolytes Balance (Packaging May Vary)

Model

Phizz Electrolytes, Multivitamin & Hydration Tablets - 60 Effervescent Rehydration Electrolyte Tablets - 18 Vitamins & Minerals, Vitamin C, Vegan & Low Calorie

Model

Science in Sport Hydro Electrolyte Tablets 20 pcs. Berry – Vegan & Gluten-Free, Ideal to Promote Hydration and Maintain Electrolytes Balance (Packaging May Vary)

Model

Phizz Electrolytes, Multivitamin & Hydration Tablets - 60 Effervescent Rehydration Electrolyte Tablets - 18 Vitamins & Minerals, Vitamin C, Vegan & Low Calorie

Model

HIGH5 ZERO Electrolyte Tablet - Hydration Tablets Enhanced with Vitamin C - 0 Calories & Sugar Free - Boost Hydration, Performance & Wellness - Blackcurrant, 20 Tablets (20x, Pack of 1)

Model

HIGH5 ZERO Electrolyte Tablet - Hydration Tablets Enhanced with Vitamin C - 0 Calories & Sugar Free - Boost Hydration, Performance & Wellness - Berry, 20 Tablets

Model

HIGH5 ZERO Electrolyte Tablet - Hydration Tablets Enhanced with Vitamin C - 0 Calories & Sugar Free - Boost Hydration, Performance & Wellness - Tropical, 20 Tablets (20x, Pack of 1)

Brand

Science in Sport

Brand

Phizz

Brand

Science in Sport

Brand

Phizz

Brand

HIGH5

Brand

HIGH5

Brand

HIGH5

Reviews

61,716 reviews

Reviews

10,758 reviews

Reviews

61,716 reviews

Reviews

10,758 reviews

Reviews

94,497 reviews

Reviews

94,497 reviews

Reviews

94,497 reviews

Features

Worth the money

9.1

Worth the money

9.1

Worth the money

9.1

Worth the money

8.6

Worth the money

8.6

Worth the money

9.1

Worth the money

9.3

Simple to use

9.8

Simple to use

9.8

Simple to use

9.8

Simple to use

9.4

Simple to use

9.9

Simple to use

9.9

Simple to use

9.9

Taste

8.9

Taste

8.9

Taste

8.9

Taste

8.6

Taste

8.6

Taste

9.1

Taste

9.1

For exercise

8.6

For exercise

8.6

For exercise

8.6

For exercise

8.4

For exercise

8.1

For exercise

9.3

For exercise

9.3

Simple to consume

9.8

Simple to consume

9.8

Simple to consume

9.8

Simple to consume

9.4

Simple to consume

8.9

Simple to consume

9.4

Simple to consume

7.2

Tech Specs

product dimensions

3.4 x 0.34 x 1.46 cm; 105 g

product dimensions

3.4 x 0.34 x 1.46 cm; 105 g

product dimensions

‎14.5 x 2.7 x 2.7 cm; 80 g

product dimensions

‎40.6 x 2.98 x 6.6 cm; 80 g

product dimensions

‎14.5 x 2.7 x 2.7 cm; 26 g

package information

‎Tube

package information

‎Tube

package information

‎Tube

age range description

‎Adult

age range description

‎Adult

age range description

‎Adult

format

‎Tablet

format

‎Tablet

format

‎Tablet

weight

‎0.08 Kilograms

weight

‎0.32 Kilograms

weight

‎0.32 Kilograms

serving recommendation

‎750 mL

serving recommendation

‎Mix 1 tablet (4g) with 750 ml water. Max servings per day:3

serving recommendation

‎1 tablet per 500ml of water

speciality

‎Sugar Free, Vegetarian

speciality

‎Zero Calorie, Electrolyte Enhanced, Vitamin C Fortified, Green Tea Infused

speciality

‎Sugar-free, zero calories

additives

‎Vitamin C, Electrolytes

additives

‎Green Tea

additives

‎Vitamin C

manufacturer contact

‎HIGH5, Sea View Way, Brighton, BN2 6NT, UK

manufacturer contact

‎HIGH5, Sea View Way, Brighton, BN2 6NT, UK

manufacturer contact

‎HIGH5, Sea View Way, Brighton, BN2 6NT, UK

caffeine content

‎Caffeine Free

caffeine content

‎Decaffeinated

caffeine content

‎high_caffeine

Available On

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Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you

9.6
1

Science in Sport
40% Off

Science in Sport Hydro Electrolyte Tablets 20 pcs. Berry – Vegan & Gluten-Free, Ideal to Promote Hydration and Maintain Electrolytes Balance (Packaging May Vary)

9.8 Simple to use

9.8 simple to consume

9.1 worth the money

Why we love it

Boosts hydration effectively with added electrolytes.

Vegan, gluten-free, and zero sugar formula.

Trusted by elite athletes since 1992.
Main highlights

VEGAN & GLUTEN-FREE: Made from high-quality ingredients, these electrolyte sport tablets are available in 6 flavors, are vegan and gluten-free, and contain no GMOs
VALUABLE ACTIVE INGREDIENT COMPLEX: Our SiS electrolyte tablets maintain electrolyte balance with a complex of minerals and vitamins, making them ideal for anyone engaged in moderate to intense physical activity
SIS SCIENCE IN SPORT: Science in Sport is a pioneer in sports nutrition. Since 1992, we have collaborated with research institutes, elite athletes, and sports scientists
OPTIMAL HYDRATION FOR PEAK PERFORMANCE: With their carefully balanced sodium concentration, the electrolyte tablets promote hydration. A well-regulated water balance helps the body to feel ready for training
FOR NERVES AND MUSCLES: Electrolytes such as potassium, magnesium, and calcium contribute to normal muscle function. Potassium and magnesium also play a vital role in the normal functioning of the nervous system
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9.4
2

Phizz
24% Off

Phizz Electrolytes, Multivitamin & Hydration Tablets - 60 Effervescent Rehydration Electrolyte Tablets - 18 Vitamins & Minerals, Vitamin C, Vegan & Low Calorie

9.8 Simple to use

9.8 simple to consume

9.1 worth the money

Why we love it

Rapid hydration with essential electrolytes.

Ideal for athletes and active lifestyles.

Vegan and environmentally conscious.
Main highlights

VITAMINS & MINERALS - Phizz’s 3-in-1 scientific formula combines hydration and electrolytes with 18 quality high-dose ingredients, including vitamin A, B Vitamins, Vitamin C (375% of your daily dose), powerful antioxidants and the 4 key electrolytes you lose through sweat (sodium, potassium, magnesium and zinc). Helping release natural energy to reduce tiredness while promoting performance, brain function and supporting your immune system.
Phizz QUALITY - Phizz is scientifically formulated and made from high quality ingredients. Our multivitamin and electrolyte tablets are vegan, halal, gluten free, soy, nut and GMO-free. Zero artificial flavours or colourings. Our tubes are recyclable and plastic positive, this means for each tube of Phizz sold, approximately 1.3 times its weight in plastic waste is collected, recycled and prevented from entering our oceans.
PROFESSIONAL ATHLETES - Phizz helps fuel over 50 Pro Sports sides including Premier League & Championship Football teams (including Fulham FC, QPR and Leeds United), Saracens Rugby, Nottinghamshire Country Cricket Club and West Indies Cricket. Phizz can help recovery time after exercise because it contains electrolytes, lost via sweat during exercise, which are vital for cells, muscles and organs to work properly.
NEW AND IMPROVED 1 TABLET FORMULA - Our unique and improved Rehydration + Vitamin formula rapidly hydrates your body up to 3 times more than just water alone. Three delicious flavours (orange, mixed berry and apple & blackcurrant) effervescent tablets.
DIRECTIONS & USE - Simply dissolve 1 tablet in a glass or water bottle. Phizz is ideal for daily hydration and health goals, pre/post exercise, hot climates, travel and jet lag. Phizz is also a great caffeine-free alternative to coffee to avoid fatigue at work or throughout the day. Do not exceed the recommended daily dose of 4 tablets per day. Phizz is a food supplement and not not a substitute for a varied, balanced diet and healthy lifestyle.
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On Amazon

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9.1
3

Science in Sport
46% Off

Science in Sport Hydro Electrolyte Tablets 20 pcs. Berry – Vegan & Gluten-Free, Ideal to Promote Hydration and Maintain Electrolytes Balance (Packaging May Vary)

9.8 Simple to use

9.8 simple to consume

9.1 worth the money

Why we love it

Boosts hydration effectively with added electrolytes.

Vegan, gluten-free, and zero sugar formula.

Trusted by elite athletes since 1992.
Main highlights

VEGAN & GLUTEN-FREE: Made from high-quality ingredients, these electrolyte sport tablets are available in 6 flavors, are vegan and gluten-free, and contain no GMOs
VALUABLE ACTIVE INGREDIENT COMPLEX: Our SiS electrolyte tablets maintain electrolyte balance with a complex of minerals and vitamins, making them ideal for anyone engaged in moderate to intense physical activity
SIS SCIENCE IN SPORT: Science in Sport is a pioneer in sports nutrition. Since 1992, we have collaborated with research institutes, elite athletes, and sports scientists
OPTIMAL HYDRATION FOR PEAK PERFORMANCE: With their carefully balanced sodium concentration, the electrolyte tablets promote hydration. A well-regulated water balance helps the body to feel ready for training
FOR NERVES AND MUSCLES: Electrolytes such as potassium, magnesium, and calcium contribute to normal muscle function. Potassium and magnesium also play a vital role in the normal functioning of the nervous system
Show more
On Amazon

Show more

Our ranking system

The topchoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria.
We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. topchoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.

Features

Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.

Consumer Reviews

We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.

Popularity

Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.

Value for money

topchoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.

When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.

7 Best Hydration Electrolytes Tablets In the UK

hydration electrolytes tablets comparison

Our Score

To Amazon

Model

Brand

Reviews

Features

Worth the money

Simple to use

Taste

For exercise

Simple to consume

Tech Specs

product dimensions

package information

age range description

format

weight

serving recommendation

speciality

additives

manufacturer contact

caffeine content

Available On

Our Top 3 Picks

Science in Sport Hydro Electrolyte Tablets 20 pcs. Berry – Vegan & Gluten-Free, Ideal to Promote Hydration and Maintain Electrolytes Balance (Packaging May Vary)

Why we love it

Phizz Electrolytes, Multivitamin & Hydration Tablets - 60 Effervescent Rehydration Electrolyte Tablets - 18 Vitamins & Minerals, Vitamin C, Vegan & Low Calorie

Why we love it

Science in Sport Hydro Electrolyte Tablets 20 pcs. Berry – Vegan & Gluten-Free, Ideal to Promote Hydration and Maintain Electrolytes Balance (Packaging May Vary)

Why we love it

Our ranking system

Features

Consumer Reviews

Popularity

Value for money

Value for money

Related deals you might like for hydration electrolytes tablets

HIGH5 ZERO Electrolyte Tablet - Hydration Tablets Enhanced with Vitamin C - 0 Calories & Sugar Free - Boost Hydration, Performance & Wellness - Berry, 20 Tablets

HIGH5 ZERO Electrolyte Tablet - Hydration Tablets Enhanced with Vitamin C - 0 Calories & Sugar Free - Boost Hydration, Performance & Wellness - Blackcurrant, 20 Tablets (20x, Pack of 1)

HIGH5 ZERO Electrolyte Tablet - Hydration Tablets Enhanced with Vitamin C - 0 Calories & Sugar Free - Boost Hydration, Performance & Wellness - Tropical, 20 Tablets (20x, Pack of 1)

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