10 Best Running Hydration Tablets in The UK

Last updated on 15/08/2025

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Fast&Up Reload Electrolyte Tablets, Mixed Berry Flavour, 80 Effervescent Tablets, Rapid Hydration & Energy, with Vitamin C & B12, Vegan

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Why We Love It

Provides instant hydration and nutrients.
Optimizes recovery, prevents dehydration.
Prevents muscle injuries, stress.

Main Highlights

✓ Fast&Up Reload is formulated with an ideal combination of electrolytes, vitamins, minerals, and antioxidants that help provide instant hydration.
✓ Fast&Up Reload is a hypotonic drink that helps with faster electrolyte replenishment, maintains fluid balance, optimises the recovery process, and prevents dehydration
✓ Helps to maintain prevent muscle related injuries, stress, cramps and exhaustion
✓ Faster nutrient absorption and action with Swiss effervescent technology
✓ How to Use: Drop 1 effervescent tablet in 250 ml water, wait until it dissolves completely in water and drink. You can consume the drink in between any activity, after workout or at the end of a tiring day

Precision Hydration Electrolyte Powder Packets - No Artificial Ingredients, Multi Strength Hydration Packets - Individual Waterproof Servings - Gluten/Dairy Free (1500mg/l - Purple, Pack of 8)

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Why We Love It

High sodium content available.
Customizable strength options.
All-natural ingredients included.

Main Highlights

PH 1500 is a strong electrolyte drink designed to help you stay hydrated when you're sweating. Dissolve 1 packet per 500 ml of water.
DELIVERS 1500MG OF SODIUM PER LITRE WHEN MIXED TO GUIDELINES
No Artificial Flavours or Sweeteners. Gluten- free and Vegan. Fast absorbing and easier on the stomach.
8 WEATHER-PROOF PACKETS per box. One packet per 500 ml of water.
MANUFACTURED IN THE UK and independently batch tested for a wide range of prohibited substances on the World Anti- Doping Agency (WADA) list. They are also INFORMED CHOICE/INFORMED SPORT REGISTERED.

SaltStick FastChews Electrolytes - 60 Chewable Electrolyte Tablets - Salt Tablets for Running, Fast Hydration, Leg Cramps Relief, Sports Recovery Vegan, Gluten Free (Orange)

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Why We Love It

Fast absorption boosts workout performance.
Ideal for any sport involvement.
Low-calorie, clean ingredient composition.

Main Highlights

ESSENTIAL ELECTROLYTES: SaltStick FastChews are packed with sodium, potassium, calcium, and magnesium in an easy, chewable electrolyte tablet form. Simply chew and enjoy. They were developed to replace the essential electrolytes lost through sweat to keep the body hydrated during endurance workouts, reduce heat stress, and to provide leg cramps relief.
UP TO 4X FASTER ABSOPTION: These electrolyte chews are designed to dissolve quickly and absorb through the lining of your mouth, called oral absorption. Scientific studies have shown that nutrients absorbed through oral absorption reach your body 2-4x faster when compared to being digested through your stomach or intestines.
PERFECT FOR ANY SPORT: So many athletes from marathon runners to golfers and tennis players to cyclists use these electrolyte chews to perform at their best. Whether you need fast hydration tablets while running a marathon or are seeking salt tabs as part of your hiking essentials kit, SaltStick FastChews Electrolyte tablets are an excellent solution. These electrolyte supplements are a game changer in sports nutrition!
ONLY 10 CALORIES: FastChews are a low-calorie electrolyte hydration supplement to simply provide fast absorption with none of the extra stuff. With only 10 calories per serving and 2 grams of sugar for great taste, it’s no wonder customers all across the globe are raving about this product.
CLEAN AND SIMPLE INGREDIENTS: Non-GMO, Vegan, and Gluten Free. Sodium (as sodium citrate), Potassium (as potassium citrate), Calcium (as calcium gluconate), and Magnesium (as magnesium citrate). HOW TO USE: Simply Chew 2 tablets per 15-30 minutes during activity.

SaltStick FastChews Electrolytes - 60 Chewable Electrolyte Tablets - Salt Tablets for Running, Fast Hydration, Leg Cramps Relief, Sports Recovery - Non-GMO, Vegan, Gluten Free (Mixed Berry)

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Why We Love It

Reduces cramps, boosts stamina.
Ideal for sports enthusiasts.
Promotes healthy, clean hydration.

Main Highlights

CHEWABLE ELECTROLYTE TABLETS: Delicious and chewable bite-sized electrolyte tablets packed with sodium, potassium, calcium, and magnesium: the main electrolytes lost through sweat.
ELECTROLYTES THAT WORK FAST: These electrolyte chews are designed to absorb quickly, faster than the leading sports drink or electrolyte powders. Just chew it and feel the difference.
SPORT ELECTROLYTE SUPPLEMENTS: For all workouts and sports when you sweat, from marathon training to hot yoga and hiking to cycling. Use any time fast acting electrolytes are needed.
HOW TO USE: Just Chew It! Similar to a sweet tart. Simply chew 2 tablets every 30 minutes during exercise. Drink water as needed.
CLEAN AND SIMPLE INGREDIENTS: Sodium, Potassium, Calcium, and Magnesium, No Artificial Colors or Sweeteners. Non-GMO, Vegan, Allergen Free. SaltStick FastChews is a dietary supplement and does not cure, mitigate, treat or prevent any disease.

OTE Hydration – Electrolyte Salt Supplement for Runners & Cyclists – Rehydration for Cycling, Running & Endurance Sport – Tube of 20 (Orange, Single Tube)

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Why We Love It

Keeps you optimally hydrated.
Naturally flavored options available.
Low calorie hydration solution.

Main Highlights

MAINTAIN OPTIMUM PERFORMANCE LEVELS: OTE Sports Tabs are hydration tablets which create electrolyte water that keeps your electrolyte levels up and keeps you hydrated, helping you to stay at the top of your game.
NATURALLY FLAVOURED AND SWEETENED: All of the OTE Sports Hydro Tabs are naturally flavoured and sweetened, so they contain no nasty colours or agents. They come in a range including Lemon, Orange, Blackcurrant and Pink Grapefruit, creating lightly flavoured electrolyte drinks!
LOW IN CALORIES: OTE Hydro Sports tabs are only 8kcal per tab, so you don’t have to worry about your tasty new hydration drink messing up your meal plans or throwing your routine off! Easier to use then electrolytes sachets, each tab should be dissolved in 500ml of water, creating a refreshing hydration drink.
INFORMED SPORT CERTIFIED: All of our OTE Sports Hydro Tabs have been Informed Sport Certified. Informed Sport is an organisation that tests products for ingredients that have been banned, so you know you’re only getting high quality, safe-to-use ingredients.
SPECIALLY FORMULATED TO REPLENISH ELECTROLYTES: When we exercise, we become dehydrated and we lose electrolytes through our sweat. OTE Sports Hydro Tabs create electrolyte water which contains sodium, magnesium, and potassium, so they help to replenish what you lose while working out, or even when working outside on a hot or humid day.

Precision Hydration Electrolyte Tablets - Multi Strength Effervescent Hydration Tablets - Combats Cramp - Low Calorie, Gluten Free, Vegan/Vegetarian Friendly (1 Tube, 1000mg/L - Orange Tube)

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Why We Love It

Combats cramp effectively.
Customizable strength options.
Low-calorie effervescent tablets.

Main Highlights

1000mg/l = 2 X STRONGER than typical electrolyte drinks. Used to COMBAT CRAMP
FOUR DIFFERENT STRENGTHS containing 250 / 500 / 1000 / 1500 mg of sodium per litre (when mixed with water) to tailor your drink to your personal requirements
LOW-CALORIE EFFERVESCENT TABLETS added to water to replace what you lose when sweating
ONE TABLET PER 500ml (16oz) of water. 250mg/l & 500mg/l tubes contain 15 tablets per tube 1000mg/l & 1500mg/l tubes contain 10 tablets per tube
INDEPENDENTLY BATCH TESTED for a wide range of prohibited substances on the World Anti-Doping Agency (WADA) list.

HIGH5 Run Pack Containing Running Energy, Hydration & Recovery Products

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Why We Love It

Optimal hydration and performance support.
Includes handy, reusable run bottle.
Great tasting, scientifically formulated nutrition.

Main Highlights

The HIGH5 Run Pack is a starter nutrition pack combining HIGH5's best selling Energy, Hydration and Recovery products for runners
The HIGH5 Run Pack contains nutrition essentials to support you with any cycling running session or event
With the HIGH5 Run Pack you will have everything you need for your next run to help sustain your performance and stay hydrated
The HIGH5 Run Pack includes a 350ml HIGH5 Run Bottle (leak-proof top, food grade plastic and is dishwasher safe)
Punish your lungs, not your tounges with HIGH5's range of great tasting sports nutrition products that have been scientifically formulated and race tested in some of the world's toughest competitions

Science In Sport GO Isotonic Energy Gels, Running Gels with 22g Carbohydrates, Low Sugar, Variety Pack of Assorted Flavours, 60ml Per Serving (7 Pack)

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Why We Love It

Variety pack enhances choice.
High carbs for quick energy.
Vegan and low sugar.

Main Highlights

EASY ENERGY SUPPLY: The SiS gel was the first isotonic energy gel on the market, delivering valuable carbohydrates easily and quickly during exercise
EASY TO DIGEST: With its isotonic formulation, the gel is easy to digest and can be consumed without water. This prevents the feeling of fullness that can occur with excessive water intake
POWER GEL BOOSTS ENERGY RESERVES: Thanks to its convenient format, the carbohydrate gel is easy to carry and quickly available for consumption to help delay fatigue caused by depleted carbohydrate stores
VEGAN ENERGY GEL: Sport Gel with 100% vegan formulation. This special energy supplier from SIS is also gluten-free
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

Science in Sport Hydro Electrolyte Tablets 20 pcs. Cola + Caffeine – Vegan & Gluten-Free, with Sodium, Calcium, Potassium & Magnesium for Balanced Electrolyte Levels (Packaging May Vary)

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Why We Love It

Cola flavor hydration tablets.
Scientifically proven superior hydration.
Vegan and gluten-free.

Main Highlights

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
CAFFEINE FOR A MENTAL BOOST: Enriched with caffeine, the effervescent tablets provide a mental performance kick to help maintain focus and concentration
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
VEGAN: Made from high-quality ingredients, the electrolyte sport tablets are vegan and free from genetic engineering. Ideal for anyone following a plant-based sports nutrition regimen
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

Pro Performance Electrolytes Tablets Rapid Hydration Replenish Lost Minerals & Salts | Suitable for Vegetarians | 60 Capsules

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Why We Love It

Optimal hydration formula.
Convenient capsule form.
Suitable for many diets.

Main Highlights

PROVEN ELECTROLYTE FORMULA: Scientifically crafted with an optimal balance of Sodium, Potassium, Calcium, and Magnesium to replenish electrolytes quickly and support effective hydration, outperforming water alone.
SUPPORTS EFFICIENT HYDRATION: Designed for anyone needing electrolyte replenishment, including Keto dieters, fasting individuals, runners, endurance athletes, and more.
CONVENIENT EAST-TO-SWALLOW CAPSULES: Say goodbye to messy powders and oversized tablets, our electrolyte salt capsules are easy to swallow, vegetarian-friendly and supplied in a convenient resealable pouch, perfect for active lifestyles.
PURE & STIMULANT-FREE: Formulated with high-purity ingredients with zero caffeine, stimulants, or unnecessary additives, ensuring a clean and focused electrolyte formula.
MADE IN THE UK & VEGETARIAN-FRIENDLY: Expertly crafted in the UK to the highest standards, our electrolyte capsules are vegetarian-friendly and come in a convenient resealable pouch for easy use on the go.

8.9

Excellent

We scanned 1491 products

We reviewed these offers relevant to the Running Hydration Tablets within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like FAST&UP, Precision Hydration, SaltStick, OTE, HIGH5, Science in Sport, OZUNA NUTRITION, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Running Hydration Tablets in the market, we considered we took a deep dive into 7456 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Fast&Up Reload Electrolyte Tablets, Mixed Berry Flavour, 80 Effervescent Tablets, Rapid Hydration & Energy, with Vitamin C & B12, Vegan. We love many things about this product by FAST&UP. What sets it apart from the competition is Provides instant hydration and nutrients, Optimizes recovery, prevents dehydration. , Prevents muscle injuries, stress.
The best value product for most shoppers and where user satisfaction is continuously the highest is Precision Hydration Electrolyte Powder Packets - No Artificial Ingredients, Multi Strength Hydration Packets - Individual Waterproof Servings - Gluten/Dairy Free (1500mg/l - Purple, Pack of 8) by Precision Hydration based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Running Hydration Tablets and the best cost-to-value ratio is HIGH5 Run Pack Containing Running Energy, Hydration & Recovery Productsat HIGH5 with a 42% discount.
Our list of the best Running Hydration Tablets is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Running Hydration Tablets in The UK

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We scanned 1491 products

We concluded that: