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Potassium Supplement Comparison - July 2025
7 Best Potassium Supplement In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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Overview: Potassium is an essential mineral for our overall health and wellbeing. It's important to get enough of it in our diet, but sometimes a supplement can be beneficial. Here, we review different potassium supplements to help you find the right one for your needs.
Potassium Supplement High Strength 1550mg & Vitamin C - 240 Vegan Tablets - 4 Month Supply - Potassium Citrate for Natural Electrolytes Support - Made in The UK - Nu U Nutrition
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Potassium Supplement High Strength 1460mg with Vitamin C - Electrolytes Tablets - 3 Months Supply - 180 Vegan Potassium Tablets for Muscle Function - Natural Electrolytes Support - Superior Absorption
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Potassium Supplement High Strength 1200mg | 180 Vegan Tablets | 624mg of Potassium & 564mg of Chloride | Suitable for Vegans & Vegetarians | by Horbaach
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Lindens - Potassium 200mg Tablets with 50mg Vitamin C - 100 Tablets - UK Made - Contributes to Normal Blood Pressure, Muscle Function and Nervous System Function - Letterbox Friendly, Vegan
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Potassium - Potassium Citrate - High Dose - 2880mg - Element Pure Potassium +1000mg - Muscle - Potassium Citrate - 180 Tablets - Nutralie
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Swiss bioenergetics Potassium Citrate 1000mg Daily dose, 120 Vegan Capsules - High Strength Electrolytes Support Superior & Absorption Great Keto and Fasting No Dairy or Gluten UK Made, Pack of 120
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Potassium Supplement 1500mg with Vitamin C | High Strength Potassium Citrate | Electrolyte Tablets | 120 Count | 100% Vegan | Horbaach
Here are the top 3 recommended products with more information to help you find the right product for you
9.6
1
Nu U Nutrition
14% Off
Potassium Supplement High Strength 1550mg & Vitamin C - 240 Vegan Tablets - 4 Month Supply - Potassium Citrate for Natural Electrolytes Support - Made in The UK - Nu U Nutrition
9.8worth the money
9.1Taste
7.7simple to consume
Why we love it
High strength for effective supplementation.
Includes Vitamin C for immune support.
Long-lasting 4-month supply.
Main highlights
WITH ADDITIONAL VITAMIN C - Our Potassium supplement contains Vitamin C, which contributes to the normal function of the immune system* and helps in collagen formation for normal function of bones, skin, teeth and gums*. Vit C also contributes to reduction of tiredness and fatigue* as it increases iron absorption to help carry oxygen through the body. Furthermore, it contributes to the protection of cells from oxidative stress*. Claims substantiated by EFSA (European Food Safety Authority).
THE NU U NUTRITION STORY - TRUSTED SUPPLIER OF NUTRITIONAL SUPPLEMENTS - Starting as a family business, we’ve expanded to offer a diverse range of high-quality supplements designed to support different lifestyles. Our mission is to make wellness simple, with premium ingredients that cater to your daily nutritional needs—whether for general health or targeted goals.
SUPERIOR STRENGTH FORMULATION - Our tablets provide a high strength serving of Potassium Citrate that not many other supplements offer. Each two tablet serving delivers 1,390 mg of Potassium Citrate of which 500 mg is elemental Potassium. This is the actual amount of Potassium present in the formulation. Our formulation uses premium Potassium Citrate which offers improved bioavailability when compared to Potassium Chloride or Potassium Iodide supplements.
REPLENISH & REBALANCE - Potassium, as a mineral electrolyte, is essential for normal muscle function (EFSA Claims). It is often taken by men and women who exercise as a muscle supplement. Our electrolyte supplement offers a convenient and quick way to benefit from this valuable nutrient with minimal fuss. Just two tablets a day is all that is needed so you can replenish your body quickly and effectively.
33% MORE TABLETS - Our premium Potassium supplement is highly cost effective. With each bottle delivering 240 tablets to last a full 4 months Other Potassium supplements do not provide nearly as many tablets per bottle. In fact we provide 33% more tablets than other Potassium Citrate supplements which typically offer just 180 tablets. As with all our products you can expect the highest quality and great value for money.
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9.5
2
WeightWorld
17% Off
Potassium Supplement High Strength 1460mg with Vitamin C - Electrolytes Tablets - 3 Months Supply - 180 Vegan Potassium Tablets for Muscle Function - Natural Electrolytes Support - Superior Absorption
8.4worth the money
8.4Taste
7.4simple to consume
Why we love it
High absorption and bioavailability.
Supports muscle and nervous system.
Vegan and gluten-free.
Main highlights
WEIGHTWORLD – TRUSTED FOR HEALTH SINCE 2006: A British-grown family business with 18+ years of experience formulating and manufacturing 200+ vitamins, food supplements and health devices. All our products are made using premium quality ingredients and have gone through intensive research to meet the daily nutritional requirements of people across the globe. We create UK-made, GMP-certified products aimed at promoting a healthier body & mind for you and your family.
POTASSIUM CITRATE TABLETS TO RECHARGE YOUR LIFE: Potassium, as a mineral electrolyte, is essential for normal muscle function (EFSA Claims). It is famous for helping with sports & exercise as a muscle supplement. Our keto electrolyte supplement Potassium tablets make it easy to get recommended minerals to support your daily life. Our potassium supplement is better than electrolyte powder & offers a high potassium strength & better Supply compared to most of our competitors
HIGHLY ABSORBING POTASSIUM ELECTROLYTE SUPPLEMENT: Potassium is an electrolyte, salt & mineral found in the blood that helps conduct electrical impulses in the body. Potassium contributes to the normal functioning of the nervous system & the maintenance of normal blood pressure. Potassium citrate offers better absorption when compared to other forms like potassium chloride or potassium iodide. Vitamin C contributes to the normal function of bones, nervous & immune system (EFSA Approved Claims).
HIGH-STRENGTH POTASSIUM CITRATE TABLETS WITH VITAMIN C: Discover a convenient solution for getting the vital minerals with our high-strength Potassium Citrate tablets enriched with Vitamin C. Each serving of our Potassium tablets offers 1380mg of Potassium Citrate, with 500mg of active Potassium & 80mg of Vitamin C to help you live an active life. Our tablet has superior absorption & bioavailability compared to other electrolyte tablets or Potassium citrate capsules available in the market.
3 MONTHS SUPPLY OF VEGAN POTASSIUM CITRATE TABLETS: Each bottle of our Potassium supplements & electrolytes offers you 180 tablets, 3 months supply, which is ideal for your health. These hydration tablets (not potassium capsules) are Vegan, gluten & lactose-free. Our Potassium electrolyte tablets contain only premium ingredients & no artificial flavours. Our products are manufactured, tested & certified under the UK GMP guidelines & these potassium citrate powder tablets are no exception.
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9.3
3
Horbäach
15% Off
Potassium Supplement High Strength 1200mg | 180 Vegan Tablets | 624mg of Potassium & 564mg of Chloride | Suitable for Vegans & Vegetarians | by Horbaach
9.6worth the money
9.4simple to consume
9.1Taste
Why we love it
Supports blood pressure and muscle health.
Vegan-friendly with no artificial additives.
Boosts immune system with Vitamin C.
Main highlights
SUITABLE FOR: Horbaach Potassium tablets are vegan and are free from artificial colours, flavours, or preservatives. It's the perfect formula for adult men and women at the best value.
POWERFUL SUPPORT: Give your health a natural boost with our Potassium Chloride tablets. Each daily dose delivers a potent 1200mg of Potassium Chloride to support your wellness journey.
POTASSIUM: One of the seven essential macro-minerals your body needs to thrive, playing a crucial role in many vital processes.
PACKAGING MAY VARY: We are in the process of updating our packaging. If the product you receive appears different, please rest assured that the benefits remain the same.
EXPERTLY CRAFTED: Our professional formula is backed by our commitment to purity and potency.
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Value for money
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When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.
When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
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9.4 
9.6
1Nu U Nutrition14% Off
High strength for effective supplementation.
