10 Best Electrolyte Supplements in The UK

Last updated on 06/07/2025

Advertising disclosure

Dr. Berg Zero Sugar Hydration Keto Electrolyte Powder - Enhanced w/ 1000 mg of Potassium & Real Pink Himalayan Salt (NOT Table Salt) - Raspberry & Lemon Flavor Hydration Drink Supplement - 50 Servings

Free Shipping

Why We Love It

Quality ingredients guarantee satisfaction.
Manufactured in USA, GMP-certified.
Refreshing raspberry and lemon flavor.

Main Highlights

𝗘𝗟𝗘𝗖𝗧𝗥𝗢𝗟𝗬𝗧𝗘𝗦 𝗣𝗢𝗪𝗗𝗘𝗥 𝗡𝗢 𝗦𝗨𝗚𝗔𝗥 - Each serving is loaded with 1000 mg of potassium as opposed to only 250 mg other brands offer. Additionally, this electrolytes powder offers a very unique blend of Calcium, Magnesium, and Sodium (from Pink Himalayan Salt - NOT table salt other brands offer). This refreshing and delicious Raspberry and Lemon flavor includes 50 servings.
𝗨𝗦𝗔 𝗚𝗠𝗣 𝗖𝗘𝗥𝗧𝗜𝗙𝗜𝗘𝗗 𝗠𝗔𝗡𝗨𝗙𝗔𝗖𝗧𝗨𝗥𝗜𝗡𝗚 - Our state-of-the-art manufacturing facilities are located in the US and are staffed with highly trained individuals who formulate superior products. Being certified under US laws and regulations (GMP Certified), these facilities are uncompromising when it comes to cleanliness and quality control.
𝗜𝗡𝗖𝗥𝗘𝗗𝗜𝗕𝗟𝗘 𝗜𝗡𝗚𝗥𝗘𝗗𝗜𝗘𝗡𝗧𝗦 - We're sorry to say it, but if you’re looking for cheap, you’re in the wrong place. We search far and wide, domestic and international, to provide high-quality ingredients for which your body will thank you. Unfortunately, getting the best ingredients from domestic and international farms can come at a higher-than-normal cost. If quality, satisfaction, and results are essential to you, you’re in the right place!
𝗪𝗛𝗬 𝗪𝗘’𝗥𝗘 𝗗𝗜𝗙𝗙𝗘𝗥𝗘𝗡𝗧 - Also known as The Knowledge Doc, Dr. Berg has spent most of his life researching and providing natural solutions to everyday health problems. This extensive research and thousands of hours working with patients are what sets us apart from other brands, as it has allowed us to create proprietary blends you can’t get anywhere else.
𝟯𝟬-𝗗𝗔𝗬 𝗚𝘂𝗮𝗿𝗮𝗻𝘁𝗲𝗲 - If for any reason you're not happy with the results you experience within the first 30 days, we're happy to give you a full refund! Send us a message, and the refund will be processed as long as it's requested within 30 days of purchase.

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

Free Shipping

Why We Love It

Zero sugar advanced hydration formula.
Essential minerals for peak performance.
Convenient, refreshing citrus flavor.

Main Highlights

𝗬𝗘𝗦, 𝗜𝗧'𝗦 𝗦𝗔𝗟𝗧𝗬❗ - 𝗕𝗘𝗖𝗔𝗨𝗦𝗘 𝗜𝗧'𝗦 𝗘𝗙𝗙𝗘𝗖𝗧𝗜𝗩𝗘 – Water is essential but often falls short in replenishing your body. Most electrolyte sachets or tablets lack the necessary levels of salt to replenish your body, and some even contain high levels of sugar - this is in contrast to Free Soul Hydrate which contains an advanced salt formulation, with zero sugar inclusion.
𝗧𝗛𝗜𝗡𝗞, 𝗙𝗘𝗘𝗟 & 𝗣𝗘𝗥𝗙𝗢𝗥𝗠 𝗔𝗧 𝗬𝗢𝗨𝗥 𝗕𝗘𝗦𝗧 – Dehydration causes a range of different issues, but water alone isn't enough to replenish essential minerals. Hydrate delivers an advanced electrolyte blend with Sodium, Potassium, Magnesium, Vitamin C, Calcium, and Zinc in a delicious lemon and orange twist.
𝗡𝗢𝗧 𝗢𝗡𝗟𝗬 𝗙𝗢𝗥 𝗣𝗢𝗦𝗧-𝗪𝗢𝗥𝗞𝗢𝗨𝗧 – Dehydration can happen for various reasons, not only during a workout. Electrolytes are commonly included in hydration products, and staying hydrated can support overall wellness, whether before the gym, after a run, or as part of a daily routine.
𝗡𝗨𝗧𝗥𝗜𝗧𝗜𝗢𝗡𝗜𝗦𝗧 𝗙𝗢𝗥𝗠𝗨𝗟𝗔𝗧𝗘𝗗 – Unlike other electrolyte powders & tablets, our electrolytes are free from sucralose, colouring, artificial flavours, and added sugar. Each sachet is loaded with goodness — 1,000mg of Sodium, 300mg of Potassium, 70mg of Magnesium, 40mg of Vitamin C, 52mg of Calcium, 2.5mg of Zinc and absolutely Zero Sugar!
𝗦𝗪𝗘𝗔𝗧, 𝗛𝗬𝗗𝗥𝗔𝗧𝗘 & 𝗥𝗘𝗝𝗨𝗩𝗘𝗡𝗔𝗧𝗘 – Free Soul Hydrate comes in convenient 7g stick sachets, perfect whether you're at home or on the go. Simply add 𝟭 𝘀𝘁𝗶𝗰𝗸 to 𝟱𝟬𝟬-𝟭𝟬𝟬𝟬𝗺𝗹 of cold water and enjoy the refreshing lemon and orange citrus flavour.
𝗘𝗮𝗰𝗵 𝗣𝗼𝘂𝗰𝗵 𝗰𝗼𝗻𝘁𝗮𝗶𝗻𝘀 𝟯𝟬 𝗦𝗮𝗰𝗵𝗲𝘁𝘀 | 𝟳𝗴 𝗽𝗲𝗿 𝗦𝗮𝗰𝗵𝗲𝘁

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

Free Shipping

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

LOVE LIFE SUPPLEMENTS

Electrolyte Balance, 60 Capsules, 30 Servings, High Strength 1000mg Sodium Chloride, Magnesium & Potassium for Maximum Hydration, Sugar Free Electrolytes Tablets, Zero Fillers - Love Life Supplements

Free Shipping

Why We Love It

Boosts muscle and nerve function.
Promotes hydration and PH balance.
Ideal for Keto enthusiasts.

Main Highlights

KEY ELECTROLYTE BLEND - Works Well as a Salt Tablet for Runners or Those Following a Keto Diet. Electrolyte Balance contains a Synergistic Blend of Essential Electrolytes which are Vital for Many Key Functions in the Body, Such as Regulating Muscle Contractions, Keeping you Hydrated and Also Helping to Balance your PH Levels.
RESTORE DEFICIENCIES - Our Blend contains Sodium Chloride (Salt) which is Required by the Body to Balance Fluids in the Blood and Thus Maintain Hydration. Also Essential for the Working of the Nervous System, the Movement of Muscles, and the Production of Hydrochloric Acid in the Stomach.
MAGNESIUM AND POTASSIUM - Magnesium Malate is a Compound of Magnesium and Malic Acid is Important because it can Support Protein Synthesis, Muscle Function and Nerve Function. Potassium Chloride - Potassium is the Third Most Abundant Mineral in the Body and can Help Regulate Blood Pressure levels, Assist with Nerve Transmission and Cardiovascular Health and More. * NEW FORMULA HAS DOUBLE THE POTASSIUM!
LOW CARB/ KETO FRIENDLY - A Switch to a Keto Lifestyle, with a Drastically Decreased Carbohydrate and Processed Food Intake, will Naturally Reduce your Sodium Intake. In Addition, the Levels of Other Electrolytes May Also Decrease. Our Electrolyte Balance is Designed to Replenish these Lost Electrolytes to Ensure your Body is Working Optimally. It is Completely Sugar Free.
CLEAN - No Fillers or Bulking Agents. Non GMO, No Dairy, No Soya. Suitable for Vegetarians and Vegans. All of Our Products are Manufactured Here in the UK Under BRC Certification. Highest Quality Guaranteed.

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

Free Shipping

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.

Electrolyte Complex - High Strength Tablets with Added Magnesium, Potassium & Calcium - Muscle Function and Electrolyte Balance - 240 Vegan Tablets - No Synthetic Binders - Made in The UK by Nutravita

Free Shipping

Why We Love It

Promotes balanced electrolytes, improved muscle function.
Offers wholesome vegan friendly supplement.
Award-winning, globally recognized brand.

Main Highlights

✔ WHY NUTRAVITA'S ELECTROLYTE COMPLEX? - Electrolytes are salts and minerals, such as Sodium, Potassium, Chloride and Bicarbonate, which are found in the blood and help conduct electrical impulses in the body. Our product has been blended with Sodium, Potassium, Chloride, Calcium and Magnesium for added benefits.
✔ WHAT ARE THE BENEFITS OF TAKING OUR ELECTROLYTE COMPLEX? - The added Magnesium contributes to electrolyte balance, while also contributing to normal muscle function. The ingredients Potassium and Calcium both contribute to normal muscle function. Claims substantiated by EFSA (European Food Safety Authority).
✔ HOW TO TAKE OUR ELECTROLYTE COMPLEX - Our supplement is vegan friendly, and comes with 240 tablets. At a recommended daily serving of 2 tablets per day, our supplement will last you for 4 months. Our supplement is designed to be suitable for both men and women, as well as being free from GMO, nuts, gluten, lactose, and wheat.
✔ AWARD WINNING - We are proud to share that products in our sports range have won an award in the Men's Fitness Nutrition Awards 2024. We deliver the same quality across our entire sports range to improve workout performance, boost muscle growth, and speed up recovery. Our sports range brings the essentials for consistent and reliable support in all types of training and performance goals - for the casual gym goer or fitness enthusiasts, up to the extreme athlete, and every level in between.
✔ WHAT IS THE STORY BEHIND NUTRAVITA? - Nutravita is a recognised and trusted Vitamins & Supplements brand providing thousands of customers across the world since 2014. Our high quality products are manufactured, batch tested and certified in the UK, and safeguarded by the highest manufacturing standards in the world (GMP, BRC). We have a dedicated team of pharmacologists, chemists and research scientists working to source the finest and most beneficial ingredients.

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.

Sunergetic Premium Electrolyte Capsules Support for Keto, Low Carb, Rehydration & Recovery - Electrolyte Replacement Capsules Includes Electrolyte Salts, Magnesium, Sodium, Potassium 100 Capsules.

Free Shipping

Why We Love It

Easy to swallow capsules. Perfect for keto support. Assured quality manufacturing.

Main Highlights

POWERFUL ELECTROLYTE SUPPLEMENT: Get the benefits of electrolytes with our easy to swallow Electrolyte Capsules. Sunergetic's Electrolyte Powder Capsules offer an easy and convenient way to take electrolytes without drinking or mixing harsh tasting electrolyte powders. Just take one small Electrolyte Capsule per day!
SUPPORT FOR KETO, LOW CARB & ATHLETES: Whether you need electrolytes for keto support, low carb diets or you're a busy professional looking for an edge, our Electrolytes Supplement provides critical salts and minerals that help support electrolyte balance and recovery.
EASY TO SWALLOW ELECTROLYTE SALTS: Our convenient Electrolyte Capsules provide a powerful electrolyte blend of Calcium, Magnesium, Sodium, Potassium, Phosphorous, Chloride, Boron and Bioperine for enhanced absorption. Unlike electrolyte powders and electrolyte drinks, our capsules are easy to swallow, tasteless and contain no carbs or sugar.
GMP CERTIFIED FACILITY: Our electrolyte powder capsules are manufactured in an FDA registered facility that adheres to Good Manufacturing Practices (GMP). Our electrolyte capsules are free of gluten, soy, dairy and are vegetarian.
SATISFACTION ASSURED: We are so sure that you will love our electrolyte capsules that we protect all orders with a commitment to your satisfaction. We stand behind our easy-to-swallow electrolyte pills for keto support with complete confidence!

Electrolyte Complex – 180 Vegan Tablets – High Strength with Magnesium, Chloride, Potassium & Calcium - Muscle Function and Electrolyte Balance - by Alpha01

Free Shipping

Why We Love It

Comprehensive electrolyte blend formula.
High absorption for optimal hydration.
Versatile for any daily use.

Main Highlights

✔ COMPREHENSIVE ELECTROLYTE BLEND: Formulated with key electrolytes including magnesium, calcium, potassium, and sodium to support daily mineral intake and replenish lost salts.
✔ HIGH ABSORPTION FORMULA: Features a balanced ratio of electrolytes in forms selected for optimal solubility and bioavailability.
✔ VERSATILE USE: Suitable for use after physical activity, during travel, or as part of a daily hydration routine to maintain electrolyte levels.
✔ OUR VALUES: This product is non-GMO, vegan, gluten free, dairy free, and preservative free!
✔ ALPHA01 PROMISE: Proudly sourced in the EU, we bring you only the highest quality ingredients – so you can feel comfortable about what you’re putting in your body. All of our products are GMP certified.

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

27% 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

8.7

Excellent

Save 27%

We scanned 1099 products

We reviewed these offers relevant to the Electrolyte Supplements 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 Dr. Berg Nutritionals, Free Soul, FAST&UP, LOVE LIFE SUPPLEMENTS, WeightWorld, Nutravita, Horbäach, Sunergetic, ALPHA01, 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 Electrolyte Supplements in the market, we considered we took a deep dive into 5496 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 Dr. Berg Zero Sugar Hydration Keto Electrolyte Powder - Enhanced w/ 1000 mg of Potassium & Real Pink Himalayan Salt (NOT Table Salt) - Raspberry & Lemon Flavor Hydration Drink Supplement - 50 Servings. We love many things about this product by Dr. Berg Nutritionals. What sets it apart from the competition is Quality ingredients guarantee satisfaction, Manufactured in USA, GMP-certified, Refreshing raspberry and lemon flavor.
The best value product for most shoppers and where user satisfaction is continuously the highest is 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 by Free Soul based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Electrolyte Supplements and the best cost-to-value ratio is Science in Sport Hydro Electrolyte Tablets 20 pcs. Berry – Vegan & Gluten-Free, Ideal to Promote Hydration and Maintain Electrolytes Balance (Packaging May Vary)at Science in Sport with a 27% discount.
Our list of the best Electrolyte Supplements 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 Electrolyte Supplements in The UK

Related Deals You Might Like for Electrolyte Supplements

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)

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

O.R.S Hydration Tablet with Electrolytes for Rehydration, Wellness, Travel, Sports & Recovery | Vegan, Gluten-Free & Low-Calorie Electrolyte Tablets with Natural Strawberry Flavour, 24 Tablets

Bulk Complete Electrolyte Powder | Unflavoured | 5 Key Electrolytes: Sodium, Potassium, Magnesium, Calcium, Chloride | Rehydrate & Replenish | Zero Sugar | 100g | Sports Supplement

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

Electrolyte Pro 120 Tablets with Potassium, Calcium, Magnesium and Sodium | Salt Replacement, Cramp & Hydration Recovery | Salt Tablets | Vegan | GMP Approved | MOBU UK

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

Dioralyte - Fast and Effective Supplement Treatment for Reducing Dehydration and Replacing Electrolytes (mineral salts) of Lost Body Water and Salts- Blackcurrant Flavour - 6 Sachets

Electrolytes Tablets 60 Capsules - Keto & Fasting Electrolytes - Rehydration & Hydration Tablet with Potassium, Calcium, Sodium, Chloride, and Magnesium Fasting Keto Electrolytes Vegan Made in The UK

HIGH5 ZERO Caffeine Hit ElectrolyteTablet - Hydration Tablets Enhanced with Vitamin C - 0 Calories & Sugar Free - Boost Hydration, Performance & Wellness - Berry, 20 Tablets (20x, Pack of 1)

We scanned 1099 products

We concluded that: