10 Best Running Hydration Tablets in The UK

Last updated on 19/07/2025

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fourfive Hydration Tablets (Orange & Mango) Low Calorie Vitamin Electrolytes, Vegan, Magnesium & Calcium, Sports Hydration - 3x20 Effervescent Tablets

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Why We Love It

Restores lost hydration fast.
Delicious natural flavors.
Perfect for workouts.

Main Highlights

HYDRATION TABLET: fourfive electrolyte effervescent tablets contain essential vitamins & electrolytes for restoring lost hydration during exercise - designed by athletes for optimal sport performance
ELECTROLYTES: A hydration tablet which dissolves in your water bottle - keep up your energy levels whilst you workout, prevent injuries caused by dehydration & recover faster
VITAMINS: Including calcium, Vitamin C & a combination of B vitamins to keep you strong & energised - independently tested to guarantee every batch achieves 'banned substance' approval
NATURAL: The perfect alternative to sugary energy drinks - vegan, caffeine free, no chalk - low calorie & a delicious natural orange and mango flavour
EASY TO USE: Dissolve 1 tablet in 500ml water & sip throughout or after exercise - for best results, pair with our oils, capsules & multivitamins

Fast&Up Reload – Mixed Berry Flavour – 80 Effervescent Tablets – Instant Electrolytes for Rapid Hydration & Energy - Added Vitamin C & B12 for Performance, Wellbeing, Travel & Recovery –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

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.

UTOBEST Hydration Bladder, Water Bladder 1L 1.5L 2L 3L, BPA Free, Leak Proof Water Reservoir for Running Cycling Hiking Camping(Two Version Connection, Random Shipment)

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Why We Love It

Safe and odorless materials.
Easy to fill and clean.
Leakproof and user-friendly design.

Main Highlights

Safe Drinking: UTOBEST 3 L hydration bladder, made of quality PEVA material, good quality and durable, BPA free, odorless, SGS and FDA approved, safe for drinking
Easy to Use: Bite valve allows quick, pleasant water supply, removable and replaceable tube and bite valve, easy drinking. The wide opening is easy for filling and cleaning
Leakproof: Opening with clip closure and soft mouthpiece with easy turn shutoff valve prevents leakage, and it has a cover to keep from dirt
Convenient: Upgraded sliding seal opening, easy to use. Carrying handle allows easy handling or fit with various hydration backpacks
Quality Assurance: UTOBEST water bladder provides 1 L, 1.5 L, 2 L, 3 L to choose, prefect for running, hiking, cycling, camping. UTOBEST also provides indefinite return and exchange services and excellent after-sales support
Please note: Due to ongoing improvements, you may receive either Version A or Version B of this product. Both versions offer the same great functionality, with minor differences in design

Zelvot Running Vest for Women Men, UK Original Patent, Adjustable Chest Straps Running Hydration Vest with 500ml Water Bottle, Lightweight Reflective Running Phone Holder Vest (Black, M/L)

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Why We Love It

Hands-free hydration on the run.
Convenient phone and gear storage.
Comfortable, lightweight, and breathable.

Main Highlights

Hydrate on the Run - The running hydration vest includes a 500ml soft flask that is 100% free from BPA and PVC. Simply bite gently to drink directly—hands-free hydration without interrupting your pace. Our running water bottle is designed to shrink as you drink, combined with a drawstring to ensure it doesn’t slosh around, bounce, or rattle.
Plenty of Storage - This running vest features two storage pockets on the shoulders and a large mesh pocket on the back, perfect for stashing your energy gels, snacks, keys, cash, towel, and any other essentials you need while running. A transparent, touch-screen, and face-unlockable waterproof phone pocket (up to 7") allows you to answer calls and reply to messages without removing your phone. Hook and button closures ensure your phone remains securely in place.
Breathable and Featherlight - Zelvot hydration vest is made from breathable, lightweight neoprene with triple-sized ventilation holes for enhanced air circulation and moisture-wicking. It weighs just 7.5 ounces, ensuring it won’t slow you down. Reflective logo and strip on the front and back increase safety in low-visibility conditions. This reflective running vest makes every run farther, safer, and more comfortable.
Adjustable Chest Straps - Zelvot running backpack features a unisex design and three adjustable chest straps, allowing you to achieve a snug and comfortable fit effortlessly during your runs. Its adjustable nature is designed to minimize bouncing and shifting, preventing any chafing due to a poor fit. The chest adjustability range of this running vest for women or men: 29"- 41".
Ready for Any Challenge - Whether you're tackling a marathon, trail running, or simply enjoying a leisurely jog, this running water vest is an excellent choice for its unmatched breathability, thoughtful storage options, and overall comfort. This hydration backpack also makes the perfect gift for family and friends who love the outdoors. If you have any questions, please don't hesitate to contact us.

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.

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

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

Precision Hydration Electrolyte Capsules - 15 Blister Packed (Waterproof) / Salt Capsules - Combat Cramp - No Artificial Ingredients, Digestion-Friendly Formula - Gluten Free, Vegan Friendly (1-Pack)

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Why We Love It

Curbs cramping for exhaustive workouts.
Portable blister-packaging, maintaining dryness.
Guaranteed all-natural and stomach-friendly ingredients.

Main Highlights

15 BLISTER-PACKED SWALLOWABLE CAPSULES per box - for athletes who need to keep on top of their salt losses when sweating heavily. Used to COMBAT CRAMP
UNIQUE BLISTER-PACKAGING is light and convenient when on the move - capsules will stay dry in all conditions.
ALL-NATURAL INGREDIENTS designed to be easy on the stomach when you're working hard
BATCH TESTED for a wide range of prohibited substances on the World Anti-Doping Agency (WADA) list.
Our blister-packed capsules are ideal when you're relying on water from feed stations at events, if mixing up drinks during your longer activities isn't practical, or if you prefer plain water to even the mildest of sports drinks.

Precision Hydration Lite Electrolytes Tablets - Multi Strength Effervescent Hydration Tablet - Low Calorie, Gluten Free, Vegan/Vegetarian Friendly, Mild Citrus Flavour (1500mg/l - Purple, 1 Tube)

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Why We Love It

Low-calorie effervescent tablets.
High sodium concentration.
Independently batch tested.

Main Highlights

DELIVERS 1500MG OF SODIUM PER LITRE WHEN MIXED TO GUIDELINES
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
MANUFACTURED IN EUROPE and independently batch tested for a wide range of prohibited substances on the World Anti-Doping Agency (WADA) list
PACKAGING UPDATE - Please note that whilst we transition to our new tube design, you may receive the older style packaging. The product inside is the same

8.9

Excellent

We scanned 207 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 fourfive, FAST&UP, SaltStick, UTOBEST, Zelvot, OTE, HIGH5, Science in Sport, Precision Hydration, 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 1036 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 fourfive Hydration Tablets (Orange & Mango) Low Calorie Vitamin Electrolytes, Vegan, Magnesium & Calcium, Sports Hydration - 3x20 Effervescent Tablets. We love many things about this product by fourfive. What sets it apart from the competition is Restores lost hydration fast. , Delicious natural flavors. , Perfect for workouts.
The best value product for most shoppers and where user satisfaction is continuously the highest is Fast&Up Reload – Mixed Berry Flavour – 80 Effervescent Tablets – Instant Electrolytes for Rapid Hydration & Energy - Added Vitamin C & B12 for Performance, Wellbeing, Travel & Recovery –Vegan by FAST&UP 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 48% 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 207 products

We concluded that: