10 Best Bulk Electrolyte Powder in The UK

Last updated on 03/08/2025

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Key Nutrients Electrolytes Powder - Multivitamin & Minerals Electrolytes Powder - 90 Servings of Refreshing Lemonade - Hydration Powder - Supercharged Rehydration Sachets with 16 Vitamins & Minerals

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Why We Love It

Zero calories, suited for Keto.
Replenishes essential post-workout electrolytes.
Easy to mix, highly hydrating.

Main Highlights

Zero Calories & Carbs, Keto & Paleo Diet Friendly - Finding Non-GMO, gluten free and plant based Keto Electrolytes isn't easy. Luckily, we've got the ultimate keto electrolyte supplement for your dietary needs. Sweetened with Stevia Extract, our drink mix is sugar free and has zero calories. Feel right and great with this keto-friendly electrolyte powder. Our delicious electrolytes mix is the key to achieve effortless ketosis. Get up to 90 supplement servings the clean and healthy way!
Natural Nutrients You Can Trust - Hydrate your body, regulate nerve & muscle function and rebuild damaged muscle tissue with 6 key electrolytes: Magnesium, Potassium, Calcium & more. Eriched with 12 additional vitamins, this electrolyte mix drink is free of filler and artificial ingredients. Stay hydrated and power up with Key Nutrients’ no calorie Electrolyte Powder mix drink with no sugar. Refuel your cellular energy after every workout with all the essential vitamins and minerals.
Replenish & Rehydrate Your System - Feeling drained after a workout? Along with releasing toxins, our bodies also lose important electrolytes when we sweat. Replenish essential vitamins and re-hydrate your system with Key Nutrients’ ultimate Keto Electrolytes Powder. It’s the perfect post-workout drink for fitness heroes, replacing electrolytes lost after workouts. Quench your thirst, balance your body’s pH and enjoy the hydration. Stay invigorated!
Easy to Mix Hydration Drink - Key Nutrients’ Electrolyte Lemonade Powder is the perfect hydration supplement for all. Suitable for all ages and diets, everyone can enjoy our caffeine-free drink mix. Free from fillers and artificial ingredients, give your immune system the extra boost to fight off illness and fatigue. Replenish your electrolytes by adding our mix to any drink of your choice - cold or hot. It’s as easy as adding a few teaspoons of our electrolyte drink mix in 16fl oz of water.
Made in the USA - Key Nutrients is a family-founded natural supplement company based in Scottsdale, Arizona. Our products are made, tested, and sourced at an NSF & GMP certified facility. Committed to helping people lead healthier and happier lives, our team consciously provides key nutrients that are caffeine free, non-GMO, and great for adults and kids on any diet. Enrich your body with electrolytes that suit your lifestyle. Treat yourself, you deserve it!

Bulk Electrolyte Plus, Unflavoured, 186 g, 60 Servings, Replenishes Electrolytes, Boosts Hydration, Supports Muscle Function & Performance, Ideal for Any Drink, Vegan-Friendly

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Why We Love It

Hydration support for intense workouts.
Replenishes lost essential minerals.
Fresh, fruity flavors available.

Main Highlights

Our elite formula is perfect for adding hydration to hardcore workouts
This powerful formula replenishes essential minerals lost during exercise
Remain hydrated, reduce fatigue and stay focused for each session
Perfect for intense workouts, long sessions of cardio, weightlifting or HYROX
Coming in Unflavoured and fresh, fruity flavours

Bulk Electrolyte Sachets, Orange Flavour, 350g, Box of 30, Rapid Hydration, Supports Muscle Function & Reduces Fatigue, Essential Electrolytes

36% OffFree Shipping

Why We Love It

Convenient hydration on-the-go.
Essential minerals for recovery.
Supports muscle function during workouts.

Main Highlights

Our innovative sachets that provide hydration whenever you need it
The tiny tablets replenish essential minerals sweated out during exercise
Made with an energy-yielding formula that supports muscle function
Perfect for intense workouts, long sessions of cardio, weightlifting or HYROX
Pocket-sized and lightweight, pop them into your bag whenever you train

Science In Sport GO Electrolyte Powder Energy Drinks, High Carbohydrates and Sodium, Lemon and Lime Flavour, 40 Servings Per 1.6kg

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Why We Love It

Promotes hydration during workouts.
Guarantees sustained energy provision.
Accommodates vegan dietary needs.

Main Highlights

BALANCED ELECTROLYTE LEVELS: Physical activity leads to sweating and the loss of electrolytes, which are essential for regulating muscle and nerve function. This isotonic drink powder helps replenish those minerals after exercise
HYDRATION THROUGH SODIUM: The electrolyte drink powder contains a balanced amount of sodium. Sodium is important for supporting and maintaining the body’s fluid balance
ENERGY-RICH: The electrolyte powder contains 36g of carbohydrates per serving, providing the body with plenty of energy and supporting both training and competition preparation
VEGAN: Made from high-quality ingredients and featuring a delicious blackcurrant flavor, this electrolyte sports powder is vegan and suitable for a plant-based diet
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

Electrolytes Powder 250g, 100 Servings - Rapid Rehydration with Himalayan Salt, Zero Sugar - Hydration Energy Recovery - Running Gym Keto Fasting Salts - UK Made, Vegan, Raspberry Flavour

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Why We Love It

Promotes rapid rehydration and recovery.
Includes pure Himalayan salts.
Optimal for dieting and fasting.

Main Highlights

RAPID REHYDRATION & RECOVERY - electrolytes powder hydration drink created by experts in sports science and nutrition. It can be taken pre workout, intra workout or after exercise to boost energy and replace liquid lost through sweat. Avoid post workout fatigue, sore muscles and muscle cramps, experience rapid revival and recovery by replacing minerals and salts you lose through sweat - whether you are a runner, cyclist, sports, fitness or gym enthusiast
SODIUM, POTASSIUM, MAGNESIUM minerals - isotonic drink formula based on decades of research science in sport and nutrition, Mr Run’s electrolytes drink contains purest forms of electrolyte salts and trace minerals sourced from high up Himalayan mountains. It can be used alongside running gels and carbohydrates - simply add a scoop or two to your running water bottle and go
ZERO SUGAR or CALORIES - compared to other isotonic sports drinks, energy drink powders, energy gels, hydration tablets, energy tablet and electrolytes sachets, our electrolytes drinks powder is gluten free, contains zero sugar, carbs or calories and is without artificial additives. We use only the pure minerals like sodium, potassium citrate and magnesium glycinate with a refreshing natural raspberry flavour
SUITABLE AS FASTING SALTS or keto electrolytes: it is best to take good care of your electrolyte levels when following paleo, ketogenic or carnivore diets. Carbohydrates help your body absorb liquid and electrolytes, so when calorie cutting or following low carbohydrate diets not getting dehydrated is a top concern. Our rehydrating electrolytes powder serves as keto salt tablets or fasting salts replacement to help you maintain water balance and avoid dehydration
VALUE FOR MONEY - Mr Run’s electrolytes powder tub provides up to 100 servings, compared to more expensive hydration sachets or rehydration tablets with electrolytes, energy chews or salt sticks for runners or running energy gels. Simply scoop the powder, add to water and stir. Drink straight from the glass or add it to your running accessories or cycling hydration pack or sports bottle and go

312 Servings Electrolyte Powder 250g Unflavoured add to Flavour Drink of Your Choice, Sugar Free, Zero Sweetener, Vegan, Keto Friendly, Snake Diet Fasting Salts - Made in The UK Scoop Included

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Why We Love It

Enhances hydration during vigorous workouts.
Prevents cramping effectively.
Optimal for warm weather training.

Main Highlights

💧 SALTS delivers the purest forms of electrolyte minerals and essential nutrients, offering a true sports isotonic drink formula. Being unflavored, it can be added to any beverage of your choice.
💧 Rapid Rehydration & Recovery - Rival electrolyte powder, developed by experts, is designed for athletic precision hydration. Ideal for pre-workout, intra-workout, or post-exercise use, it meets the hydration needs of runners, cyclists, hikers, and gym enthusiasts. This formula replenishes minerals and salts lost through sweat, providing energy and supporting swift recovery after workouts.
🚫 Sugar-Free, Zero Calories - Unlike other isotonic sports drinks, energy powders, gels, hydration tablets, and electrolyte sachets, our electrolyte drink powder is gluten and soy-free, containing no sugar, carbs, calories, or added flavors. It consists solely of pure minerals such as Sodium, Potassium Chloride, and Magnesium.
💦 Perfect Hydration for Fasting, Keto, Paleo, and Carnivore Diets - Ideal for weight loss and low-carb diets, our rehydrating electrolyte powder ensures optimal mineral replenishment. Carbohydrates aid in liquid and electrolyte absorption, so it's crucial to replace lost minerals when cutting calories or following low-carb plans. Our electrolyte powder serves as an excellent substitute for keto salt tablets or fasting salts, helping your body maintain water balance and prevent dehydration.
💰 Great Value for Money - Rival electrolytes powder tub offers up to 312 servings, making it a cost-effective alternative to pricier hydration sachets or rehydration tablets. Just scoop the powder, mix it with your preferred flavor, and stir. Enjoy it directly from a glass, or add it to your running gear, cycling hydration pack, or sports bottle for on-the-go hydration.

HIGH5 Energy Drink - Electrolytes Sport Energy Drink Powder - Isotonic Drink with 2:1 Fructose - Hydration for Running, Cycling, Endurance Fuel - Natural Flavours, Vegan (Berry, 2.2kg - 46 Servings)

30% OffFree Shipping

Why We Love It

Sustains performance during exercise.
Delivers maximum carbohydrate quickly.
Promotes optimal hydration.

Main Highlights

Carbohydrate Dual Source Energy Powder: HIGH5 Energy Drink allows you to consume 50% more carbohydrate energy per hour (90g) using a 2:1 maltodextrin-to-fructose blend - Providing consistent energy in endurance sports so you can keep going for longer
Carb Powder and Electrolyte Powder Formula: combines carbohydrates with natural electrolytes to keep you not only energised but also hydrated, replacing water and fluids lost during intense activities - Optimise energy intake and sustain performance
Oral Rehydration Solution for Electrolyte Replenishment: replace key electrolytes lost through sweat to prevent dehydration and cramps - Each serving contains 240mg sodium, 50mg potassium, and 84mg chloride to support hydration and muscle function
Natural Electrolytes Powder, Refreshing Energy Supplements: free from artificial flavourings, sweeteners or colourings - Available in delicious, natural fruit flavours for a tasty hydration drink and energy boost - Caffeine Free Energy Drink
Convenient Packaging for Athletes: available in various formats to suit your needs, from 2.2kg tubs (46 servings) and 1kg tubs (21 servings) to energy sachets (12-pack) - Easy-to-mix rehydration powder ensures quick preparation for training or racing
Scientifically Designed, Vegan Sport Drink: developed to maximise energy efficiency, HIGH5 Energy Drink is ideal for endurance athletes (like runners, cyclists, Hyrox competitors) - Vegan-friendly and optimised for sustained performance and hydration

Optimises hydration throughout the day.
Supports daily energy and performance.
Prevents cramping and fatigue effectively.

Main Highlights

REHYDRATE & REPLENISH WHAT YOU LOSE: With over 1000mg of electrolytes per serving, including 650mg sodium and 300mg potassium, THE Electro HYROX helps replace essential minerals lost through sweat—keeping your hydration levels in check, even during the most intense HYROX races.
SUPPORTS MUSCLE FUNCTION & REDUCES FATIGUE: Formulated with 300mg potassium and 60mg magnesium, this blend supports normal muscle function and electrolyte balance, helping you avoid cramps and stay strong during extended, high-intensity efforts.
DESIGNED BY EXPERTS FOR EVERYDAY PERFORMANCE: THE Electro HYROX is more than just hydration—it’s expert-backed performance nutrition tailored for athletes who push boundaries daily. Whether you’re mid-race or mid-training, it’s your go-to for keeping energy and focus dialled in.
CLEAN, VEGAN-FRIENDLY FORMULA: No unnecessary extras—just what you need to perform at your best. THE Electro HYROX is suitable for vegetarians and vegans, with added Aquamin minerals and AstraGin to enhance nutrient absorption and support overall wellness.
YOUR SECRET WEAPON FOR RACE DAY & RECOVERY: From the first rep to race finish, THE Electro HYROX has your back. Use it post-workout to speed up recovery or during long training sessions to maintain endurance, prevent dehydration, and help you perform at your peak.

Bulk Electrolyte Powder, Unflavoured, 500 g, Packaging May Vary

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Why We Love It

Replenishes electrolyte levels effectively.
Ideal for intense training sessions.
Mixes easily with shakes.

Main Highlights

A replenishing formula to top up your electrolyte levels
Powered by four key electrolytes: sodium, potassium, calcium and magnesium
Your electrolyte levels are replenished in a 1 g serving
Perfect for topping up your levels during intense training sessions
This Unflavoured powder is ideal for mixing with your usual shake

Bulk Electrolyte Plus, Orange & Mango Flavour, 210g, 30 Servings, Replenishes Electrolytes, Boosts Hydration, Supports Muscle Function & Performance, Vegan-Friendly

28% OffFree Shipping

Why We Love It

Elite formula for hydration.
Replenishes essential minerals lost.
Stay focused during workouts.

Main Highlights

Our elite formula is perfect for adding hydration to hardcore workouts
This powerful formula replenishes essential minerals lost during exercise
Remain hydrated, reduce fatigue and stay focused for each session
Perfect for intense workouts, long sessions of cardio, weightlifting or HYROX
Coming in Unflavoured and fresh, fruity flavours

8.7

Excellent

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We scanned 1391 products

We reviewed these offers relevant to the Bulk Electrolyte Powder 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 KEY NUTRIENTS, Bulk, Science in Sport, Mr Run, Rival Sports Fuel, HIGH5, Myprotein, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Bulk Electrolyte Powder in the market, we considered we took a deep dive into 6956 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 Key Nutrients Electrolytes Powder - Multivitamin & Minerals Electrolytes Powder - 90 Servings of Refreshing Lemonade - Hydration Powder - Supercharged Rehydration Sachets with 16 Vitamins & Minerals. We love many things about this product by KEY NUTRIENTS. What sets it apart from the competition is Zero calories, suited for Keto, Replenishes essential post-workout electrolytes, Easy to mix, highly hydrating.
The best value product for most shoppers and where user satisfaction is continuously the highest is Bulk Electrolyte Plus, Unflavoured, 186 g, 60 Servings, Replenishes Electrolytes, Boosts Hydration, Supports Muscle Function & Performance, Ideal for Any Drink, Vegan-Friendly by Bulk based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Bulk Electrolyte Powder and the best cost-to-value ratio is Bulk Electrolyte Sachets, Orange Flavour, 350g, Box of 30, Rapid Hydration, Supports Muscle Function & Reduces Fatigue, Essential Electrolytesat Bulk with a 36% discount.
Our list of the best Bulk Electrolyte Powder 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 Bulk Electrolyte Powder in The UK

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