10 Best Sports Electrolyte Tablets in The UK

Last updated on 15/08/2025

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Nuun Sport Electrolyte Tablets | Hydration with Vitamin C | Vegan, Gluten-Free, No Artificial Sweeteners | Orange Flavor, 8 Pack (80 Tablets)

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Why We Love It

Enhanced hydration for workouts.
Natural and clean formula.
Convenient and portable packaging.

Main Highlights

Nuun Sport is an Electrolyte-Rich Sports Drink Tablet, enhanced with electrolytes and bursting with delicious fruity flavor. Mix with water for a hydrating beverage to keep you powering through your next workout.
Our tiny bubbles go to work to ensure your body quickly soaks up all the goodness of Nuun's electrolyte blend.
Nuun Sport Electrolyte Tablets enhance your workout and/or your work day naturally through improved hydration. Keep a tube in your gym bag, car, purse, hiking pack or anywhere you'll want to mix up a healthy, replenishing drink.
The Nuun product you know and love just set a personal record: Still delivering the clean, hydrating formula that inspires a healthier, happier, more active lifestyle, but now even tastier and cleaner. Clean Formulation: Free from artificial flavouring, colouring or sweeteners.
At first look, you’ll notice Nuun Sport’s snazzy packaging makeover. We hope that our new look will help to better identify the Nuun product that’s right for you.

Nuun Active: Tri-Berry Electrolyte Enhanced Drink Tablets (3-Pack of 10 Tablets)

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Main Highlights

Packed With Electrolytes, Light Flavor, Clean Ingredients, And Portable, Nuun Active Hydration Is The Perfect Sports Drink.The Electrolytes Found In Nuun Will Help Alleviate Cramps, Help Muscles Function, Communicate And Burn Energy Efficiently.Nuun Active Hydration Comes In 9 Flavors: Orange, Lemon+Lime, Strawberry Lemonade, Fruit Punch, Tri-Berry, Grape, Tropical, Citrus Fruit, And Watermelon.

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

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Why We Love It

Optimal for sports performance.
Promotes quick recovery.
Natural, delicious alternative.

Main Highlights

ELECTROLYTES TABLETS: fourfive electrolyte effervescent tablets contain essential vitamins & electrolytes lost during exercise helping restore hydration more than just water alone - 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, help prevent injuries caused by dehydration & recover faster
VITAMINS: Including magnesium, calcium, sodium, 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 berry 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 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

Revival Rapid Rehydration Electrolytes Powder - High Strength Vitamin C, B1, B3, B5, B12 Supplement Sachet Drink, Effervescent Electrolyte Hydration Tablets - 6 Pack Lemon Lime

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Why We Love It

Boosts energy and focus instantly.
Exceptional blend of vital vitamins.
Combats fatigue, aids quick recovery.

Main Highlights

Work, Play, Party, Health - Simply mix this electrolyte replacement with 500ml of water to experience renewed energy, focus, and performance throughout the entire day - the best on the go electrolyte replacement
High Strength Vitamin Supplement - Support Immune function, each stick contains 500mg vitamin C, 5x more than most high strength vit c supplements, our exceptional blend is the perfect balance of hydration salts & vitamins C, B1, B3, B5, B12
Based on a World Health Organisation Formula - Formulated to W.H.O standards for oral rehydration solutions (ORS) for hydration & recovery. Our sports electrolytes powder drink can allow you to train harder, go faster & longer while simultaneously recovering quicker
Multi - Functional Electrolyte Drink - Our premium single use stick pack recovery drink fits easily in your bag or pocket. The perfect electrolyte drink after a for a big day or after a big night, to help you wake up fresh and energised. Perfect for travel, can aid “jet leg”. The perfect alternative to electrolyte tablets, with greater convenience and effectiveness
If Its Not For You…Then Its On Us - Simply reach out to us and we will take care of the rest. Hit the yellow button, and add Revival to your basket to experience our range of premium electrolyte packets for yourself! (packaging may vary)

Electrolyte Tablets 900mg - 6 Months Supply - 180 Electrolyte Complex Tablets - Unflavoured, High-Strength & Vegan-Friendly - Sodium, Magnesium, Chloride, Calcium, & Potassium - Non-GMO & Gluten-Free

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Why We Love It

Power-packed with essential minerals.
Supports active lifestyle recovery.
Keto-friendly and sugar-free.

Main Highlights

180 TABLETS - 6 MONTHS SUPPLY: Each bottle contains 180 Electrolyte tablets, designed to last 6 months with the recommended daily intake. Delivering 900mg of essential electrolytes per serving, these tablets have no aftertaste and require no mixing, making them a clean and convenient option for any daily routine.
WHY ELECTROLYTE IS ESSENTIAL: Electrolytes include minerals such as magnesium, potassium, calcium, and chloride. Magnesium contributes to electrolyte balance. Potassium contributes to normal muscle function. Calcium contributes to normal energy-yielding metabolism. Chloride contributes to normal digestion by production of hydrochloric acid in the stomach (EFSA)
GO-TO VEGAN-FRIENDLY TABLETS: Each serving of the electrolyte supplement provides high strength electrolyte complex in convenient, travel-friendly tablets. Formulated to be vegan-friendly, gluten, allergen & lactose-free, these electrolyte tablets are designed to complement a balanced way of life. Made for those who like things simple and clear.
EASY-TO-SWALLOW TABLETS: WeightWorld's Electrolyte tablets are convenient and easy to swallow, with no need for measuring. Whether as part of a daily routine or while travelling, they offer a practical way to stay consistent. Free from artificial flavours, they offer a clean choice for everyday intake. With no unnecessary additives, this makes it a to-go choice.
THE JOURNEY OF WEIGHTWORLD: Born from a passion for food supplements, WeightWorld has been growing since 2006. With nearly two decades of experience, the brand offers a wide range of products, including vitamins, minerals, plant-based supplements, devices, and more. Now reaching multiple countries, the focus remains on developing products that evolve with changing needs while staying true to the values that started it all.

O.R.S Sport Hydration Tablets - Orange, Pack of 1 | Sports Electrolytes with Vitamin D & Magnesium for Rehydration & Recovery | Salts for Electrolyte Replacement | Vegan, Gluten-Free & Low Calorie

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Why We Love It

Quickly absorbs and hydrates longer.
Delicious and convenient hydration solution.
Safe and effective for everyone.

Main Highlights

ELECTROLYTE HYDRATION TABLETS: Our soluble tablets add a mix of oral rehydration salts, electrolytes, vitamins & minerals to water, for optimum fluid balance so you stay hydrated for longer; a functional dose of glucose delivers energy
A HYDRATION TABLET FOR ATHLETES: Sports electrolytes enhanced with Vitamin D & Magnesium to hydrate & replenish salts; relief from dehydration when running, cycling, at the gym, or to support sports performance, post workout recovery & focus
RAPID & EFFECTIVE SPORTS REHYDRATION: Clinically proven for fast & effective electrolyte replacement; backed by science & the World Health Organization for a healthy & safe formula; the best reliable supplements to rehydrate & fuel your body
VEGAN, GF & LOW-CALORIE: ORS Sport is a low-calorie (8.5 kcal) liquid sports hydration solution with a vitamin boost for adult nutrition; trust in our naturally-flavoured, vegan, gluten-free, lactose-free & halal formula
BEST TASTING EFFERVESCENT SPORTS SUPPLEMENT: Drop 1 dissolvable tablet in 500 ml drinking water, dissolve & drink the delicious electrolyte solution to hydrate before, during & after exercise; 1 tube contains 20 juicy fizzy Orange tablets

Electrolytes Tablets by Styrkr - Citrus - Pack of 12 Hydration Tablets - 1000mg per Serving - 4X Higher Salts - Used by Endurance Athletes - Advanced Quad-Blend Formulation - SLT07 12x per Tube

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Why We Love It

Perfect for intense workout hydration.
Mimics human sweat electrolytes.
Offers adjustable dosage options.

Main Highlights

✔EFFICIENT HYDRATION WHEN YOU NEED IT MOST: SLT07 electrolyte tablets are the highest single and adjustable serving hydration tablet on the market: super-convenient, highly effective, specifically designed for endurance that deliver every time, under all intensities and environmental conditions.
✔PERFECTLY MIMICS HUMAN SWEAT: SLTO7 hydration tablets perfectly mimic the electrolyte profile and ratio of human sweat so you can prevent muscle cramping and rehydrate to perfection when the going gets tough. Product contains: sodium 1000mg, potassium 100mg, magnesium 25mg and calcium 15mg.
✔YOUR BODY, YOUR DOSE: During vigorous activity and in hot conditions, some of us sweat more and saltier than others. Our SLT07 electrolyte tablets are dual-dosage: use a whole tablet if you sweat heavily or are exercising in hot conditions; if you don’t sweat much and conditions are mild, use half.
✔ELECTROLYTES DONE RIGHT: Not only are our SLT07 hydration tablets developed by professional sports nutritionists and tested by athletes to make sure they do what we say they do, all SLT07 ingredients are vegan, non-GMO, gluten-free and responsibly sourced.
✔IMPROVED BIOAVAILABILITY: Bioavailability is the rate that something is absorbed into the bloodstream to elicit its effect on the target area of the body. SLT07 electrolyte tablets have a scientifically designed, quick-release formulation for high availability and rapid absorption rates.

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

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.

8.7

Excellent

We scanned 1538 products

We reviewed these offers relevant to the Sports Electrolyte 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 Nuun, fourfive, FAST&UP, Revival Shots, WeightWorld, O.R.S, STYRKR, 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 Sports Electrolyte Tablets in the market, we considered we took a deep dive into 7691 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 Nuun Sport Electrolyte Tablets | Hydration with Vitamin C | Vegan, Gluten-Free, No Artificial Sweeteners | Orange Flavor, 8 Pack (80 Tablets). We love many things about this product by Nuun. What sets it apart from the competition is Enhanced hydration for workouts, Natural and clean formula, Convenient and portable packaging.
The best value product for most shoppers and where user satisfaction is continuously the highest is Nuun Active: Tri-Berry Electrolyte Enhanced Drink Tablets (3-Pack of 10 Tablets) by Nuun based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Sports Electrolyte Tablets and the best cost-to-value ratio is Fast&Up Reload Electrolyte Tablets, Mixed Berry Flavour, 80 Effervescent Tablets, Rapid Hydration & Energy, with Vitamin C & B12, Veganat FAST&UP with a 21% discount.
Our list of the best Sports Electrolyte 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 Sports Electrolyte Tablets in The UK

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We scanned 1538 products

We concluded that: