10 Best Electrolytes Tablets in The UK

Last updated on 19/08/2025

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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.

Phizz Electrolytes, Multivitamin & Hydration Tablets - 60 Effervescent Rehydration Electrolyte Tablets - 18 Vitamins & Minerals, Vitamin C, Vegan, Vegetarian & Low Calorie

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Why We Love It

Hydrates body three times faster.
Combines hydration, vitamins and electrolytes.
Improves recovery time post-exercise.

Main Highlights

NEW AND IMPROVED 1 TABLET FORMULA – Our unique and improved Rehydration + Vitamin formula rapidly hydrates your body up to 3 times faster than just water alone. Delicious orange flavoured effervescent tablets.
VITAMINS & MINERALS - Phizz’s 3-in-1 scientific formula combines hydration and electrolytes with 18 quality high-dose ingredients, including vitamin A, B Vitamins, Vitamin C (375% of your daily dose), powerful antioxidants and the 4 key electrolytes you lose through sweat (sodium, potassium, magnesium and zinc). Helping release natural energy to reduce tiredness while promoting performance, brain function and supporting your immune system.
PROFESSIONAL ATHLETES - Phizz helps fuel over 50 Pro Sports sides including Premier League & Championship Football teams (including Liverpool FC, Fulham FC, QPR and Leeds United), Saracens Rugby, Nottinghamshire Country Cricket Club and West Indies Cricket. Phizz can help recovery time after exercise because it contains electrolytes, lost via sweat during exercise, which are vital for cells, muscles and organs to work properly.
DIRECTIONS & USE - Simply dissolve 1 tablet in a glass or water bottle. Phizz is ideal for daily hydration and health goals, pre/post exercise, hot climates, travel and jet lag. Phizz is also a great caffeine-free alternative to coffee to avoid fatigue at work or throughout the day.
PHIZZ QUALITY - Phizz is scientifically formulated and made from high quality ingredients. Our multivitamin and electrolyte tablets are vegan, halal, gluten free, soy, nut and GMO-free. Zero artificial flavours or colourings. Our tubes are recyclable and plastic positive, this means for each tube of Phizz sold, approximately 1.5 times its weight in plastic waste is collected, recycled and prevented from entering our oceans.

Electrolytes Complex | 240 Vegan Tablets | Electrolyte Pills with Potassium, Calcium, Magnesium & More | Keto Diet, Hydration Recovery & Salt Replacement | High Strength Electrolyte Supplement

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Why We Love It

Promotes normal muscle function.
4 months consecutive supply.
Uncompromising quality standards.

Main Highlights

ESSENTIAL NUTRIENT REPLENISHMENT – Our Electrolyte Complex tablets are a synergistic blend of Calcium, Magnesium, Potassium, Sodium & Chloride. Our supplement has been expertly formulated to help anyone following a keto or low carb diet or to help them rehydrate after physical activities.
BENEFITS – Added Magnesium contributes to the electrolyte balance and normal muscle function. Both Potassium and Calcium contribute to normal muscle function. These claims are approved by EFSA (European Food Safety Authority).
4 MONTHS SUPPLY – Take just two electrolyte tablets per day. Each bottle contains 240 vegan tablets. This gives you a 4 months’ supply, so you won't need to re-order again for at least 4 months.
VEGAN FRIENDLY – Manufactured in the UK to GMP code to practice, Our Electrolytes Complex tablets are Suitable for Vegans or Vegetarian and are Free from GMO (Genetically Modified Organisms), Artificial Preservatives, Artificial Colours.
QUALITY SATISFACTION – At supplement Tree, we only supply food supplements that are UK Manufactured to GMP code of practice in BRC (British retail consortium) certified facility, giving you total assurance that the supplements are produced to the highest possible hygiene and manufacturing standards. We are proud to offer an unconditional quality satisfaction Guarantee with all our products to ensure that our customers can shop with complete peace of mind.

Optimal hydration with key electrolytes.
Vegan, Keto-friendly, and allergen-free.
No sugar-induced absorption delays.

Main Highlights

Formulated for rapid absorption. Our advanced rehydration tablets quickly restore your body's fluid balance. Each tablet is packed with the critical electrolytes – Sodium, Potassium, Calcium, and Magnesium – essential for combatting dehydration and supporting optimal cellular function.
Fast acting, effervescent formula. Dissolve ONE hydro tablet in 500ml of water, making an optimal electrolyte concentration of 98mmol/L for rehydration.
Stay balanced and comfortable. Hydro Boost regulates body temperature and maintains pH by replenishing water and lost electrolytes; this ensures optimal performance and recovery.
Perfect for every lifestyle: Crafted for your well-being, these hydro tablets are vegan and vegetarian, sugar-free, lactose-free, and gluten-free. We've also ensured no caffeine or artificial additives (colours, flavours, preservatives), making them a clean, keto-compatible choice for conscious consumers.
Hydrate smarter. Our electrolyte blend is meticulously formulated for quick and efficient absorption, bypassing the delays often caused by the high sugar content in traditional sports drinks.

Supports optimal electrolyte balance.
Promotes healthy hydration conveniently.
Vegan-friendly and additive-free.

Main Highlights

HIGH STRENGTH: Our Electrolyte Blend is packed with Magnesium, Calcium, Chloride, Potassium & Sodium; which are essential for an optimal electrolyte balance.
BENEFITS: A blend that will contribute the electrolyte balance, as well as the normal nerve & muscle function. These claims are approved by EFSA (European Food Safety Authority).
CONVENIENT: Replenishment and maintaining healthy hydration has never been easier! No need to re-order every month, simply take 2 tablets daily and reap the benefits of this formula for 4+ months.
SUITABLE FOR: Horbaach Electrolyte tablets are suitable for vegetarians and vegans and contain no artificial colours, flavours, or preservatives. It's the perfect formula for adult men and women at the best value.
HORBAACH MANUFACTURERS: Through 40+ years in the health product industry, we source premium supplements, produced to high quality control standards following GMP & BRC guidelines.

Promotes optimum fluid balance.
Guaranteed high quality and safety.
Vegan-friendly and eco-conscious.

Main Highlights

ELECTROLYTE PRO - The blend of sodium, potassium, and calcium ions helps maintain the normal nervous system and muscle function while also promoting optimum fluid balance in the body.
HIGH QUALITY - Our electrolyte pro tablets are approved by UK Standards for safe and healthy supplements. This premium quality supplement is easy to swallow and has minimal binding ingredients.
VEGAN FRIENDLY - Made in the UK, our electrolyte supplement is gluten and dairy-free, and vegan-friendly. We strive to source the most sustainable ingredients to produce the highest-quality health supplements.
CUSTOMER SATISFACTION - We assure you that you will not be disappointed by our product or our services. However, if you face any issues, please feel free to contact us. We are always available for our customers.
WHY MOBU? - Goodbye to bulky bottles and hello to our environmentally friendly packaging. Our electrolyte tablets are packed in airtight, resealable foil pouches with minimal packaging, perfect for storage, travel, and letterboxes.

Electrolytes Tablets - High Strength Rehydration Tablets - with Potassium, Calcium, Sodium, Chloride, and Magnesium Fasting Keto Electrolytes Vegan Made in UK

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Why We Love It

Maintains proper hydration and energy.
Quality tested for safety standards.
Promotes overall well-being.

Main Highlights

DISCOVER NEW LEAF'S ELECTROLYTE COMPLEX - New Leaf's Electrolyte Complex is a comprehensive blend enriched with essential minerals. This formula includes Potassium, Calcium, Sodium, Chloride, and Magnesium, all of which play vital roles in maintaining proper hydration and supporting various bodily functions. With 180 tablets per bottle and a 3-month supply, our Electrolyte Complex provides the perfect solution to keep you feeling replenished and energized.
BENEFITS OF OUR ELECTROLYTE COMPLEX - Electrolytes are crucial for maintaining the balance of fluids and minerals in your body. Potassium contributes to normal muscle function . Calcium is needed for the maintenance of normal bones, while Chloride contributes to normal digestion. Magnesium aids in muscle & nerve function and also contributes to electrolyte balance, overall, promoting energy metabolism & reducing tiredness and fatigue.
REPLENISH AND REVITALIZE - Whether you're an active individual, or simply looking to maintain proper hydration, our Electrolyte Complex is the perfect addition to your daily routine. Proper electrolyte balance is essential for hydration and overall well-being. With 2 tablets p/d, our 2-month supply ensures you can consistently replenish & revitalize your body with this powerful blend. Feel the difference with our Electrolyte Complex and embrace a well-hydrated and energized lifestyle.
SAFETY & QUALITY - To uphold the highest standards of safety and quality, our products undergo post-production testing for heavy metals and other unwanted compounds, ensuring full compliance with international regulations. Once testing is complete, products are bottled and packaged in BRC Grade AA certified facilities, guaranteeing that our rigorous quality standards are reliably maintained and delivered to you.
Why Choose New Leaf Products? As a family-owned business with extensive experience in formulating and producing our unique range of over 100 vitamin and mineral supplements, we are dedicated to upholding the highest standards of safety and quality. We prioritise environmental sustainability and social responsibility, donating a portion of our sales to global causes. Join our community of over 2 million satisfied customers, where our customers are always our top priority.

Tonic Health Energy and Hydration Tablets - 15 Vitamins, Minerals, Plants with Panax Ginseng, No Sugar Effervescent Multivitamins - Rehydration Electrolytes Tablets, Blood Orange 20 Count

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Why We Love It

All-in-one energy boost.
Fast-acting hydration formula.
Delicious blood orange flavor.

Main Highlights

ALL IN ONE ENERGY & HYDRATION DRINK - An all-in-one formula offering a max-strength boost of Methylated B vitamins, hydration electrolytes, and Panax ginseng to power you through the day without the junk.
FASTER HYDRATION - These energy tablets have four essential electrolytes: 600mg of Sodium Hydrogen Carbonate, 500mg of Magnesium Oxide, Potassium Chloride, and Calcium Carbonate to boost hydration, reduce fatigue, enhance focus, and muscle function.
SAFE AND EFFECTIVE - These hydration tablets with electrolytes are a perfect addition to your daily routine, boosting energy and hydration without sugars or artificial sweeteners. Safe for everyday use and ideal to take alongside our other products.
REFRESHING BLOOD ORANGE FLAVOUR - Savor the zesty taste of our refreshing blood orange electrolyte drink. It replenishes vital electrolytes and keeps you energized, all while offering a deliciously tangy flavor and sugar free electrolytes.
DOCTOR & NUTRITIONIST SUPPORTED - Our rehydration tablets focus on optimal nutrient absorption with a blend of B Vitamins, Panax Ginseng, Salt, and Electrolytes for quicker hydration and energy.

Science in Sport Hydro Electrolyte Tablets 20 pcs. Berry – Vegan & Gluten-Free, Ideal to Promote Hydration and Maintain Electrolytes Balance (Packaging May Vary)

21% OffFree Shipping

Why We Love It

Optimal hydration with delicious flavour.
Naturally vegan and gluten-free.
Scientifically proven superior hydration.

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
FOR NERVES AND MUSCLES: Electrolytes such as potassium, magnesium, and calcium contribute to normal muscle function. Potassium and magnesium also play a vital role in the normal functioning of the nervous system
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 & GLUTEN-FREE: Made from high-quality ingredients, these electrolyte sport tablets are available in 6 flavors, are vegan and gluten-free, and contain no GMOs
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

Phizz Electrolytes, Multivitamin & Hydration Tablets - 20 Effervescent Rehydration Electrolyte Tablets - 18 Vitamins & Minerals, Vitamin C, Vegan, Vegetarian & Low Calorie

33% OffFree Shipping

Why We Love It

Boosts hydration and nutrient absorption.
Enhances workouts and workdays.
Trusted by professional sports teams.

Main Highlights

NEW AND IMPROVED 1 TABLET FORMULA – Our unique and improved Rehydration + Vitamin formula rapidly hydrates your body up to 3 times more than just water alone. Delicious apple and blackcurrant flavoured effervescent tablets. VITAMINS & MINERALS - Phizz’s 3-in-1 scientific formula combines hydration and electrolytes with 18 quality high-dose ingredients, including vitamin A, B Vitamins, Vitamin C (375% of your daily dose), powerful antioxidants and the 4 key electrolytes you lose through sweat (sodium, potassium, magnesium and zinc). Helping release natural energy to reduce tiredness while promoting performance, brain function and supporting your immune system.
PROFESSIONAL ATHLETES - Phizz helps fuel over 50 Pro Sports sides including Premier League & Championship Football teams (including Liverpool FC, Fulham FC, QPR and Leeds United), Saracens Rugby, Nottinghamshire Country Cricket Club and West Indies Cricket. Phizz can help recovery time after exercise because it contains electrolytes, lost via sweat during exercise, which are vital for cells, muscles and organs to work properly.
DIRECTIONS & USE - Simply dissolve 1 tablet in a glass or water bottle. Phizz is ideal for daily hydration and health goals, pre/post exercise, hot climates, travel and jet lag. Phizz is also a great caffeine-free alternative to coffee to avoid fatigue at work or throughout the day.
PHIZZ QUALITY - Phizz is scientifically formulated and made from high quality ingredients. Our multivitamin and electrolyte tablets are vegan, halal, gluten free, soy, nut and GMO-free. Natural flavours and colourings. Our tubes are recyclable and plastic positive, this means for each tube of Phizz sold, approximately 1.5 times its weight in plastic waste is collected, recycled and prevented from entering our oceans.
Potassium 115mg 6%, Chloride 229mg 29%, Magnesium 56mg 15%, Zinc 4mg 40%, Manganese 1mg 50%, Copper 500ug 50%, Vitamin C 300mg 375%, Niacin 16mg NE 100%, Pantothenic acid 20mg 333%, Vitamin B6 2.5mg 179%, Vitamin B1 5mg 455%, Vitamin B2 0.9mg 64%, Vitamin E 1.8mg q-TE 15%, Folic Acid 200ug 100%, Biotin 100ug 200%, Vitamin A 125ug RE 16%, Vitamin B12 10ug 400%

8.7

Excellent

Save 33%

We scanned 1950 products

We reviewed these offers relevant to the Electrolytes 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 WeightWorld, Phizz, Supplement Tree, Vitaliva, Horbäach, MOBU, NEW LEAF PRODUCTS, Tonic Health, Science in Sport, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Electrolytes Tablets in the market, we considered we took a deep dive into 9751 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 Electrolyte Tablets 900mg - 6 Months Supply - 180 Electrolyte Complex Tablets - Unflavoured, High-Strength & Vegan-Friendly - Sodium, Magnesium, Chloride, Calcium, & Potassium - Non-GMO & Gluten-Free. We love many things about this product by WeightWorld. What sets it apart from the competition is Power-packed with essential minerals, Supports active lifestyle recovery, Keto-friendly and sugar-free.
The best value product for most shoppers and where user satisfaction is continuously the highest is Phizz Electrolytes, Multivitamin & Hydration Tablets - 60 Effervescent Rehydration Electrolyte Tablets - 18 Vitamins & Minerals, Vitamin C, Vegan, Vegetarian & Low Calorie by Phizz based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Electrolytes Tablets and the best cost-to-value ratio is Phizz Electrolytes, Multivitamin & Hydration Tablets - 20 Effervescent Rehydration Electrolyte Tablets - 18 Vitamins & Minerals, Vitamin C, Vegan, Vegetarian & Low Calorieat Phizz with a 33% discount.
Our list of the best Electrolytes 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 Electrolytes Tablets in The UK

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We scanned 1950 products

We concluded that: