10 Best Electrolytes Tablets Zero Sugar Caffeine Free in The UK

Last updated on 15/08/2025

Advertising disclosure

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

25% OffFree 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

HIGH5 ZERO Hydration Electrolyte Sports Drink Dissolvable Tablets - 10 Tablets Per Tube - 4 x Tubes (40 Tablets Total) (Berry)

Free Shipping

Why We Love It

Supports a healthy immune system.
Replenishes vital electrolytes.
Easy to use and mix.

Main Highlights

ZERO is a refreshing sugar free electrolyte drink with zero calories that makes it simple and easy to stay hydrated. When you sweat, you lose vital minerals so it's important that they are replenished. With key electrolytes, sodium and magnesium, ZERO gives you what water can't.
This scientific formula includes Vitamin C to support a healthy immune system, protect cells from oxidative stress and reduce tiredness and fatigue. The magnesium in ZERO contributes to electrolyte balance, whilst also supporting muscle protein synthesis.
Replace the electrolytes you lose through sweat. Light & refreshing electrolyte drink with natural fruit flavours, with added Vitamin C. Reduces tiredness and fatigue. 10 tablets per tube.
Suitable for vegetarians. Suitable for a wide range of sporting activities, including running, triathlon, cycling, swimming, football, rugby & tennis to name but a few.
To use, simply drop a tab into your re-usable water bottle and watch it rapidly dissolve. The easy-break tabs mean that you can choose your ideal drink strength. ZERO can be mixed to your preferred strength, but we recommend one tablet in 750ml water.

Groovy Keto Electrolytes Powder - 250g tub, 50 Servings, Sugar Free, Gluten Free, Zero Calories, Fasting, Hydration for Keto (250g, Forest Fruits)

Free Shipping

Why We Love It

Zero-calorie, carb-free support.
Trustworthy natural nutrients included.
Effortless hydration for everyone.

Main Highlights

✅ Zero-Calorie, Carb-Free Keto & Paleo Support - Discover the perfect keto electrolyte supplement that’s non-GMO, gluten-free, and plant-based. Our Stevia-sweetened drink mix is calorie-free, helping you maintain ketosis effortlessly. Enjoy up to 50 servings of our tasty, health-conscious electrolyte powder.
✅ Trustworthy Natural Nutrients - Rehydrate and support your body’s nerve and muscle functions with our blend of six essential electrolytes, including Magnesium, Potassium, and Vitamin C
✅ Revitalize After Workouts - Recover from exercise fatigue by replenishing vital vitamins and rehydrating with our Keto Electrolyte Powder. Ideal for post-workout recovery, it replaces lost electrolytes, helps balance your body’s pH, and keeps you refreshed.
✅ Effortless Hydration for Everyone - Our Electrolyte Forest Fruits Flavour Powder is an all-ages, diet-friendly hydration solution. It’s caffeine-free, without fillers or artificial ingredients, boosting your immune system. Simply mix a scoop (5g) into any beverage, hot or cold, for instant electrolyte replenishment
✅ To ensure it's mixed, we recommend putting our forest fruits flavour electrolytes powder into a shaker and shaking it

Dextro Energy Zero Calories I Recovery and Hydration Electrolyte Drink I Zero Effervescent Tablets I Berry | 3 Tubes, 60 Tablets |

5% OffFree Shipping

Why We Love It

Zero calories, ideal for workouts.
Fast recovery and hydration.
Vegan and tastes great.

Main Highlights

ZERO CALORIES SPORT DRINK - fruity electrolyte drink that is low in carbohydrates. Ideal for shorter workouts when carbohydrate intake is not necessary
FAST RECOVERY and HYDRATION - Dextro Energy Zero Calories are the tasty alternative to water and sugary soft drinks during sports
QUICK and EFFECTIVE - restores the body´s mineral and fluid balance
CONTAINS 5 IMPORTANT ELECTROLYTES - the mineral complex containing sodium, magnesium, calcium, potassium and chloride helps to quickly regulate the body´s mineral and fluid balance. *Magnesium contributes to normal energy-yielding metabolism
IDEAL TASTE and VEGAN - BERRY FRUITY; Dextro Energy electrolyte effervescent tablets are sugar-free, carbohydrate-free and still taste great and Vegan
MAKES 20 500 ml-750 ml servings

Humantra Hydration Packets | Zero Sugar Electrolyte Hydration Multiplier w/Essential Minerals & 6 Electrolytes | Electrolytes Powder (20 Count, Elderberry)

20% OffFree Shipping

Why We Love It

Zero sugar and clean.
Hydrates 4X more effectively.
All six essential electrolytes.

Main Highlights

The Humantra Difference - Keeping your body properly hydrated is one of the most important things you can do for your health. After realizing that most electrolyte formulas are loaded with sugar and gut-disrupting artificial ingredients, and only contain a few of the 6 essential electrolytes, we set out to create a best-in-class electrolyte powder that also tastes amazing.
Built for Everyone - Whether you’re an athlete looking for peak performance or a newbie who wants to experience the energy and clarity of being well-hydrated, optimum hydration is the #1 starting point that you need to address.
Zero Sugar, Clean, Complete, and Effective - Our plant-based, sugar-free electrolyte and antioxidant drink mix with all 6 essential electrolytes and 100% natural ingredients. It’s a completely CLEAN, artificial-free formula that won’t disrupt your gut and hydrates 4X more effectively than water alone.
6 Essential Electrolytes - There are 6 essential electrolytes—and our bodies need all of them. Most hydration support brands and leading sports drinks are incomplete, only containing 2 to 4 per formula. We've created a complete electrolyte powder formula with all 6 electrolytes to hydrate you 4X more than leading sports drinks.
Our Mantra - We never take shortcuts. You’ll always get exactly what you need and nothing that you don’t. And we’ll never use artificial ingredients or fillers. Every Humantra formula is made with your health in mind, with the highest quality standards in the industry.

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

25% OffFree Shipping

Why We Love It

Hydrates three times faster.
Vitamins boost energy.
Supports professional athletes.

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 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. Do not exceed the recommended daily dose of 4 tablets per day. Phizz is a food supplement and not not a substitute for a varied, balanced diet and healthy lifestyle.
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.

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

21% OffFree 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

Virtue Electrolytes Hydration Sachets - Mixed Pack | Zero Sugar, Zero Calories | All 6 Electrolytes, Vitamin C (12 Pack) [Lemon Lime, Strawberry Lemonade, Mango Passionfruit]

Free Shipping

Why We Love It

Ultimate hydration without calories.
Supports performance and recovery.
Natural ingredients, no artificial additives.

Main Highlights

ULTIMATE ELECTROLYTE SUPPORT - ZERO SUGAR, ZERO CALORIES - Hydrate with 2540mg of all 6 essential electrolytes – sodium, potassium, magnesium, calcium, chloride & phosphate – with zero sugar and zero calories.
SCIENCE BACKED HYDRATION FOR PERFORMANCE & RECOVERY - Formulated with an optimal electrolyte ratio to support rapid hydration, recovery, muscle function, and reduced fatigue – ideal for workouts, training, recovery, travel, or tackling a busy schedule.
6X MORE ELECTROLYTES THAN TABLETS - 10X MORE THAN SPORTS DRINKS - Each sachet delivers 2540mg of electrolytes, outperforming leading tablets (6.5x) and sports drinks (10x), plus 100% daily value of Vitamin C for antioxidant and immune support.
COMPLETE ELECTROLYTE PROFILE - NOT JUST SODIUM OR POTASSIUM - Unlike many brands, Virtue includes all six essential electrolytes your body needs for sustained energy, mental clarity, peak performance and optimal hydration – not just a partial formula.
CLEAN NATURAL INGREDIENTS - NOTHING ARTIFICIAL - Made with real Himalayan pink salt, marine-sourced magnesium, marine-sourced calcium, and Vitamin C for immune support – sugar-free, zero calories, vegan, nothing artificial, caffeine-free.

High 5 Zero Xtreme Pinkgrapefruit - Pack of 20 Tablets

Free Shipping

Why We Love It

Refreshing with a fruity hint.
Loaded with vital electrolytes.
No artificial contents, zero calories.

Main Highlights

Light and refreshing sports drink with a hint of fruit
Including vitamin C and electrolytes, including sodium, magnesium and potassium
Suitable for a wide range of sporting activities
No artificial colours or preservatives
Produces a clean-tasting and highly refreshing drink with zero calories

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

8.7

Excellent

Save 21%

We scanned 1079 products

We reviewed these offers relevant to the Electrolytes Tablets Zero Sugar Caffeine Free 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 Free Soul, VPoint Leisure, Groovy Keto, Dextro Energy, Humantra, Phizz, FAST&UP, Virtue, HIGH5, 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 Zero Sugar Caffeine Free in the market, we considered we took a deep dive into 5396 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 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. We love many things about this product by Free Soul. What sets it apart from the competition is Zero sugar advanced hydration formula, Essential minerals for peak performance, Convenient, refreshing citrus flavor.
The best value product for most shoppers and where user satisfaction is continuously the highest is HIGH5 ZERO Hydration Electrolyte Sports Drink Dissolvable Tablets - 10 Tablets Per Tube - 4 x Tubes (40 Tablets Total) (Berry) by VPoint Leisure based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Electrolytes Tablets Zero Sugar Caffeine Free and the best cost-to-value ratio is Phizz Electrolytes, Multivitamin & Hydration Tablets - 60 Effervescent Rehydration Electrolyte Tablets - 18 Vitamins & Minerals, Vitamin C, Vegan, Vegetarian & Low Calorieat Phizz with a 25% discount.
Our list of the best Electrolytes Tablets Zero Sugar Caffeine Free 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 Zero Sugar Caffeine Free in The UK

Related Deals You Might Like for Electrolytes Tablets Zero Sugar Caffeine Free

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)

HIGH5 ZERO Protect Electrolyte Tablets | Hydration Tablets with Vitamin C & D | 0 Calories & Sugar Free | Boost Hydration, Performance & Wellness | Orange & Echinacea, 20 Tablets (20x, Pack of 1)

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)

O.R.S Hydration Tablets - Strawberry, Pack of 1 | Electrolytes for Dehydration, Sports & Travel Recovery Drinks | Oral Rehydration Salts for Electrolyte Replacement | Vegan, Gluten-Free, Low Calorie

Hydro Boost Electrolyte Tablets + Vitamins | Rapid Rehydration & Recovery | Sugar-Free | Blackcurrant Flavour | Vegan Friendly | Twin Pack Deal (2 Packs of 20)

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

ProYouth Electrolytes Tablets with Vitamins for Kids and Adults - Hydration & Rehydration with Electrolytes, Vitamins and Minerals - No Caffeine, No Sugar | 20 Tablets Watermelon | Pack of 1

ProYouth Electrolytes Tablets with Vitamins for Kids and Adults - Hydration & Rehydration Tablets with Electrolytes, Vitamins and Minerals - No Caffeine, no Sugar | 20 Tablets Tropical | Pack of 1

Advanced Electrolytes Sachets – High Strength Hydration Sachets with 5 Electrolytes, 5 Essential Vitamins & 500mg Taurine for Energy Support – Zero Sugar, Zero Calories – Variety Pack of 10

We scanned 1079 products

We concluded that: