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We Compared 5 Electrolytes in the UK — See Which One Is Best

We analysed 5 electrolytes products, scoring each on effectiveness, ingredient quality, value for money, side effects, and certifications. Here are the top-rated picks for 2026, ranked by overall score.

Last updated: 26 October 2026 · Reviewed by Bart, Health & Tech Enthusiast

Quick Picks

🥇
Best Overall
Electrolyte Hydration Orange 20 Tablets
71.0 £5.00
🥈
Runner Up
HIGH5 Zero Electrolyte Tablets for Hydration, Berry, 20 Tablets
68.0 £4.99
🥉
Most Reviewed
Phizz Electrolytes Tablets, Daily Hydration and Multivitamin, 20 Servings
56.0 £7.99
#1
Electrolyte Hydration Orange 20 Tablets
Electrolyte Hydration Orange 20 Tablets

Applied Nutrition

Applied Nutrition's Electrolyte Hydration tablets are effervescent, sugar-free tabs delivering sodium, potassium, and magnesium with added vitamin C —...

Recreational athletes seeking affordable daily hydration support Gym-goers who dislike sugary sports drinks Competitive athletes in tested sports (Informed Sport certified)
71.0
Score
82.0 Value For Money
£5.00
Holland & Barrett
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#2
HIGH5 Zero Electrolyte Tablets for Hydration, Berry, 20 Tablets
HIGH5 Zero Electrolyte Tablets for Hydration, Berry, 20 Tablets

HIGH5

HIGH5 Zero Berry is a sugar-free, zero-calorie tablet. You drop it into water and it adds sodium, potassium and magnesium, and most buyers are happy w...

People who sweat a lot in hot weather or on holiday and want a low-calorie way to replace salts Gym-goers and cyclists who want sugar-free electrolytes they can carry around People who fast and want electrolytes without calories
68.0
Score
82.0 Side Effects
£4.99
Amazon UK
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#3
Science in Sport Hydro Electrolyte Tablets, Berry, 20 Tablets
Science in Sport Hydro Electrolyte Tablets, Berry, 20 Tablets

Science in Sport

Reviewers' main praise for these berry tablets is the taste. They also say the tablets dissolve quickly and leave no residue. Each effervescent tablet...

Cyclists and gym-goers who want a portable electrolyte drink with a good taste People rehydrating in hot weather or on holiday in the heat Anyone who finds other electrolyte tablets hard on the stomach or unpleasant to drink
68.0
Score
88.0 Side Effects
£7.50
£5.00
-33% at Amazon UK
View Deal →
#4
Electrolyte Hydration Lemon & Lime 20 Tablets
Electrolyte Hydration Lemon & Lime 20 Tablets

Applied Nutrition

These sugar-free effervescent tablets have 6 kcal each. You drop one 4 g tablet into 500 ml of water to get vitamin C plus sodium, potassium and magne...

Gym users who want a flavoured, low-calorie drink during sessions People avoiding sugar who still want electrolytes in their water Anyone who wants a portable tablet rather than powder sachets
64.0
Score
85.0 Side Effects
£5.00
Holland & Barrett
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#5
Phizz Electrolytes Tablets, Daily Hydration and Multivitamin, 20 Servings
Phizz Electrolytes Tablets, Daily Hydration and Multivitamin, 20 Servings

Phizz

Phizz is a one-tablet orange effervescent that combines electrolytes with a multivitamin: vitamin A, B vitamins, vitamin C at 375% of the daily dose, ...

People who sweat heavily, such as hot yoga or gym users, and want help rehydrating Travellers and anyone dealing with hot climates or heatwaves People who want a caffeine-free morning drink instead of coffee
56.0
Score
70.0 Effectiveness
£7.99
Amazon UK
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How We Rank Electrolytes

We analyse user reviews from Amazon UK and other public sources, cross-references ingredient labels and dosage information, checks for third-party testing certifications, and evaluates value for money. Each product is scored 0–100 across evidence-based categories: effectiveness, ingredient quality, value for money, side effects profile, certifications, and an overall score.

Rankings are updated regularly as new reviews and pricing data become available. Products must pass our quality gate (minimum review count and data coverage) to appear on this page.

Frequently Asked Questions

What is the best electrolytes in 2026? ▼
Electrolyte Hydration Orange 20 Tablets is our top-rated electrolytes with a score of 71.0/100. Applied Nutrition's Electrolyte Hydration tablets are effervescent, sugar-free tabs delivering sodium, potassium, and magnesium with added vitamin C — designed for exercise-related rehydration. All te...
How are electrolytes ranked on AIScored? ▼
Our methodology analyses user reviews, ingredient science, effectiveness evidence, third-party testing, and value for money. Each product is scored 0-100 across evidence-based categories, and the overall score determines the ranking. We update rankings regularly as new data becomes available.
Is Electrolyte Hydration Orange 20 Tablets worth the price? ▼
Electrolyte Hydration Orange 20 Tablets scores 82.0/100 for value for money. This is excellent value relative to its quality and effectiveness. Read full review →
View all Electrolytes products →

Disclaimer: AIScored provides data-driven rankings based on publicly available reviews and product information. This is not medical advice. Always consult a healthcare professional before starting any supplement. Affiliate links may earn us a commission at no extra cost to you.