Advertising Disclosure Hydration Comparison - May 2025
5 Best Hydration In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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| 1 Best Choice  9.8Exceptional | 2 Best Value  9.5Excellent | 3  9.4Excellent | 4  9.3Excellent | 5  9.2Excellent |
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ModelScience In Sport Hydro Hydration Tablets, Gluten-Free, Zero Sugar, Berry Flavour Plus Electrolytes, 20 Effervescent Tablets | Model HIGH5 ZERO Electrolyte Tablet - Hydration Tablets Enhanced with Vitamin C - 0 Calories & Sugar Free - Boost Hydration, Performance & Wellness - Berry, 20 Tablets (20x, Pack of 1) | Model Liquid I.V. Hydration Sachets | Lemon Lime | Electrolyte Powder Mix | 1 Pack (16 Sticks) | 7 Vitamins and Minerals | Vegan | Model Electrolytes Powder - Hydration Sachets Packed with Vitamins - Zero Sugar Rehydration Sachet, No Artificial Sweeteners & Preservatives by ViDrate - Mixed Berry Variety Pack, 30 Electrolytes Sachets | Model Free Soul Hydrate | Electrolyte Hydration Sachets with Sodium, Magnesium, Vitamin C, & More | Zero Sugar, Advanced Electrolyte Powder for Daily Use | Citrus Salt Flavour | 30 Sachets |
BrandScience in Sport | Brand HIGH5 | Brand Liquid I.V. | Brand ViDrate | Brand Free Soul |
Reviews | Reviews  | Reviews | Reviews | Reviews |
Tech Specs | ||||
product dimensions16 x 8 x 8 cm 100 g | product dimensions 40.6 x 2.98 x 6.6 cm 80 g | product dimensions 10 x 4 x 15 cm 300 g | product dimensions - | product dimensions - |
Available On | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
1Science in Sport26% OffScience In Sport Hydro Hydration Tablets, Gluten-Free, Zero Sugar, Berry Flavour Plus Electrolytes, 20 Effervescent Tablets
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 Approved: Vegan and gluten-free hydration tablets with natural flavours, B vitamins and zero sugar
- Plus Electrolytes: Contains just the right amount of scientifically researched clinical doses of all your body's essential electrolytes, to ensure you can go further for longer by dramatically reducing fatigue from electrolyte imbalances
- Pioneer in Sports Nutrition: Since being established in 1992, Science In Sport has been an industry-leading company, working with research institutes, elite athletes, performance directors, and sports scientists
- High in Sodium: Meets your sodium requirement at a specific concentration (30 mmol/Litre) that is scientifically proven to produce superior hydration compared to water alone
- Berry Flavour Hydration Tablets: Includes 1 bottle with 20 vegan hydration tablets, berry flavour plus electrolytes
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9.5
2HIGH543% Off
HIGH5 ZERO Electrolyte Tablet - Hydration Tablets Enhanced with Vitamin C - 0 Calories & Sugar Free - Boost Hydration, Performance & Wellness - Berry, 20 Tablets (20x, Pack of 1)
Why we love it
Sugar-free, calorie-free hydration.
Supports immune system and recovery.
Convenient for travel and workouts.
Main highlights- Use Anywhere - Just drop a tablet into water for a refreshing electrolyte drink, ideal as backpacking essentials and long haul flight essentials: Stay energised on-the-go
- Scientific Formulation: ZERO sugar free electrolytes are rigorously developed for efficacy and convenience. 0 calorie electrolyte supplement with a variety of great tasting natural flavourings
- Replenish Electrolytes - ZERO electrolytes tablets ensure superior hydration and fluid balance over water alone: Easily stay hydrated throughout the day, even during intense workouts or hot weather
- Per 4g hydration tablet: Magnesium 56mg 15% RI, Potassium 70mg 3.5% RI, Calcium 9mg 1.1% RI, Vitamin C 28mg 35% RI Sodium 250mg, Green Tea 1mg
- Optimised Performance - Power through training and races with reduced fatigue and enhanced endurance: Support recovery with precise levels of sodium potassium magnesium electrolytes
- Immune Support & Wellness - Rehydration tablets with electrolytes support your immune system and fight oxidative stress: Travelling essentials, electrolytes for fasting, keto electrolyes
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9.4
3Liquid I.V.
Liquid I.V. Hydration Sachets | Lemon Lime | Electrolyte Powder Mix | 1 Pack (16 Sticks) | 7 Vitamins and Minerals | Vegan
Why we love it
Boosts hydration efficiently.
Easy to use on the go.
No artificial additives.
Main highlights- 𝗦𝗶𝗻𝗴𝗹𝗲-𝘀𝗲𝗿𝘃𝗶𝗻𝗴, 𝘁𝗿𝗮𝘃𝗲𝗹-𝗳𝗿𝗶𝗲𝗻𝗱𝗹𝘆 𝗵𝘆𝗱𝗿𝗮𝘁𝗶𝗼𝗻 𝘀𝗮𝗰𝗵𝗲𝘁𝘀: are perfect for on the go. Simply pour an easy-to-open stick to dissolve into 500 ml of water, mix and enjoy enhanced hydration.
- 𝗥𝗮𝗽𝗶𝗱𝗹𝘆 𝗿𝗲𝗽𝗹𝗲𝗻𝗶𝘀𝗵𝗲𝘀 𝗲𝗹𝗲𝗰𝘁𝗿𝗼𝗹𝘆𝘁𝗲𝘀: which are essential nutrients like potassium and sodium that, together with carbohydrates, enhance the absorption of water during physical exercise and contains no artificial colours or sweeteners.
- 𝗛𝗲𝗹𝗽𝘀 𝗿𝗲𝘀𝘁𝗼𝗿𝗲 𝗲𝗹𝗲𝗰𝘁𝗿𝗼𝗹𝘆𝘁𝗲 𝗯𝗮𝗹𝗮𝗻𝗰𝗲: lost through heat, exercise, travel and adventure.
- 𝗚𝗿𝗲𝗮𝘁-𝘁𝗮𝘀𝘁𝗶𝗻𝗴, 𝘃𝗲𝗴𝗮𝗻 𝗳𝗼𝗼𝗱 𝘀𝘂𝗽𝗽𝗹𝗲𝗺𝗲𝗻𝘁: Lemon Lime flavour with a sunny mix of citrus notes, equal parts zesty and refreshing.
- 𝗖𝗼𝗻𝘁𝗮𝗶𝗻𝘀 𝟳 𝗲𝘀𝘀𝗲𝗻𝘁𝗶𝗮𝗹 𝘃𝗶𝘁𝗮𝗺𝗶𝗻𝘀 𝗮𝗻𝗱 𝗺𝗶𝗻𝗲𝗿𝗮𝗹𝘀: including vitamins B3, B5, B6, B12 and vitamin C, and is also gluten free.
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
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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.
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.
