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10 Best Electrolytes With Caffeine to Buy - May 2025

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1

HIGH5 Energy Drink Caffeine Hit - Electrolytes Sport Energy Drink Powder - Isotonic Drink with 2:1 Fructose - Hydration for Running, Cycling, Endurance Fuel - Natural Flavours (Citrus, 1.4kg, 29 Serv)
HIGH5 Energy Drink Caffeine Hit - Electrolytes Sport Energy Drink Powder - Isotonic Drink with 2:1 Fructose - Hydration for Running, Cycling, Endurance Fuel - Natural Flavours (Citrus, 1.4kg, 29 Serv)
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9.8

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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 Energy Drink (140mg)
  • 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

2

Phizz Daily Energy Electrolyte Hydration Tablets - 17 Vitamins and Minerals - Effervescent Energy - 75mg Caffeine (Daily (Cherry), 60)
Phizz Daily Energy Electrolyte Hydration Tablets - 17 Vitamins and Minerals - Effervescent Energy - 75mg Caffeine (Daily (Cherry), 60)
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9.6

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Main Highlights

  • NEW PHIZZ DAILY ENERGY - Unlock your maximum energy with our unrivalled boost, featuring 75mg of caffeine blended with natural guarana, smarter hydration, and 16 essential nutrients. Delicious cherry flavoured effervescents tablets.
  • TRIPLE ACTION SYSTEM - Our triple-action system of caffeine, B-vitamins, and rehydration provides both fast and sustained energy, while our Phizz formula hydrates smarter, providing 3x faster hydration than water and 4 key electrolytes for peak physical and mental performance.
  • VITAMINS & MINERALS - Phizz’ scientific formula combines hydration and electrolytes with 16 high-dose ingredients, including B Vitamins, Vitamin C (300% of your daily dose), powerful antioxidants and the 4 key electrolytes you lose through sweat (sodium, potassium, magnesium and zinc).
  • PROFESSIONAL ATHLETES - Phizz helps fuel over 50 Pro Sports sides including Premier League & Championship Football teams (including Liverpool, 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.

3

SIS Go Hydro| Zero Sugar| Effervescent Electrolyte Tablets| for Improved Hydration & Recovery| with Caffeine | Suitable for Vegans & Vegetarians| Cola Flavoured, 20 Tablets
SIS Go Hydro| Zero Sugar| Effervescent Electrolyte Tablets| for Improved Hydration & Recovery| with Caffeine | Suitable for Vegans & Vegetarians| Cola Flavoured, 20 Tablets
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9.5

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Main Highlights

  • Cola Flavour Hydration Tablets: Includes 20 vegan hydration tablets per bottle, Cola flavour plus electrolytes + caffeine
  • Plus Electrolytes: Contains just the right amount of scientifically researched clinical doses of all your body's essential electrolytes, to ensure you can go further for longer by dramatically reducing fatigue from electrolyte imbalances
  • High in Sodium: Meets your sodium requirement at a specific concentration (30 mmol/Litre) that is scientifically proven to produce superior hydration compared to water alone
  • Vegan Approved: Vegan and gluten-free hydration tablets with natural flavours, B vitamins and zero sugar
  • Pioneer in Sports Nutrition: Since being established in 1992, Science In Sport has been an industry-leading company, working with research institutes, elite athletes, performance directors, and sports scientists

4

Phizz Daily Energy Electrolyte Hydration Tablets - 16 Vitamins and Minerals - Effervescent Energy Tablets - 75mg Caffeine (Daily Energy (Orange), 20)
Phizz Daily Energy Electrolyte Hydration Tablets - 16 Vitamins and Minerals - Effervescent Energy Tablets - 75mg Caffeine (Daily Energy (Orange), 20)
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9.2

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Main Highlights

  • NEW PHIZZ CAFFEINE BOOST - Unlock your maximum energy with our unrivalled boost, featuring 75mg of caffeine blended with natural guarana, smarter hydration, and 16 essential nutrients. Delicious orange flavoured effervescents tablets.

5

Fast&Up Reload – Orange + Caffeine Flavour – 20 Effervescent Tablets – Instant Electrolytes for Rapid Hydration & Energy - Added Vitamin C & B12 for Performance, Wellbeing, Travel & Recovery – Vegan
Fast&Up Reload – Orange + Caffeine Flavour – 20 Effervescent Tablets – Instant Electrolytes for Rapid Hydration & Energy - Added Vitamin C & B12 for Performance, Wellbeing, Travel & Recovery – Vegan
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9.1

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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 Orange + Caffeine also comes with added caffeine to further support physical and mental performance.
  • ✓ 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

6

Phizz Daily Energy Electrolyte Hydration Tablets - 16 Vitamins and Minerals - Effervescent Energy Tablets - 75mg Caffeine (Daily (Cherry), 20)
Phizz Daily Energy Electrolyte Hydration Tablets - 16 Vitamins and Minerals - Effervescent Energy Tablets - 75mg Caffeine (Daily (Cherry), 20)
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8.8

More info

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Main Highlights

  • NEW PHIZZ DAILY ENERGY- Unlock your maximum energy with our unrivalled boost, featuring 75mg of caffeine blended with natural guarana, smarter hydration, and 16 essential nutrients. Delicious cherry flavoured effervescents tablets.
  • TRIPLE ACTION SYSTEM - Our triple-action system of caffeine, B-vitamins, and rehydration provides both fast and sustained energy, while our Phizz formula hydrates smarter, providing 3x faster hydration than water and 4 key electrolytes for peak physical and mental performance.
  • VITAMINS & MINERALS - Phizz’ scientific formula combines hydration and electrolytes with 16 high-dose ingredients, including B Vitamins, Vitamin C (300% of your daily dose), powerful antioxidants and the 4 key electrolytes you lose through sweat (sodium, potassium, magnesium and zinc).
  • PROFESSIONAL ATHLETES - Phizz helps fuel over 50 Pro Sports sides including Premier League & Championship Football teams (including Liverpool, 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 Daily Energy is ideal for daily hydration and health goals, pre/post exercise, hangovers and jet lag. Phizz is also a great alternative to coffee to avoid fatigue at work or throughout the day.

7

Pro Plus Fizz - 20 Effervescent Berry Flavour Tablets - Caffeine, Guarana, Ginseng and Vitamins B12, B2 & B6
Pro Plus Fizz - 20 Effervescent Berry Flavour Tablets - Caffeine, Guarana, Ginseng and Vitamins B12, B2 & B6
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8.6

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Main Highlights

  • Red berry flavoured effervescent tablet with Caffeine to help increase alertness and Vitamins B2, B6 and B12 to help reduction of tiredness and fatigue. Feel Energised. A caffeine boost with endurance support.
  • The tablets provide you with a tasty alternative to traditional caffeine tablets alongside containing a blend of vitamins for an extra energy boost. The effervescent format provides an instant effect, allowing the benefits to be felt quicker in comparison to tablets.
  • Pro Plus Fizz is perfect for using when you hit a wall and need that extra boost of energy. The tablets are suitable for both vegetarians and vegans.

8

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)
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)
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8.4

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Main Highlights

  • Replenish Electrolytes: ZERO hydration tablets ensure superior hydration and fluid balance over water alone. Easily stay hydrated throughout the day, even during intense workouts or hot weather
  • Scientific Formulation: ZERO sugar free electrolytes are rigorously developed for efficacy and convenience. 0 calorie electrolyte supplement with a variety of great tasting natural flavourings
  • Scientific Formulation: ZERO suger free electrolytes are rigorously developed for efficacy and convenience. 0 calorie electrolyte supplement with a variety of great tasting natural flavourings
  • Optimised Performance: Power through training and races with reduced fatigue and enhanced endurance. Support recovery with precise levels of sodium potassium magnesium electrolytes
  • Immune Support & Wellness: Rehydration tablets with electrolytes support your immune system and fight oxidative stress. Travelling essentials, electrolytes for fasting, keto electrolyes
  • Use Anywhere: Just drop a tablet into water for a refreshing electrolyte drink - ideal as backpacking essentials and long haul flight essentials. Stay energised on-the-go

9

HIGH5 ZERO Electrolyte Tablet - Hydration Tablets Enhanced with Vitamin C - 0 Calories & Sugar Free - Boost Hydration, Performance & Wellness - Blackcurrant, 20 Tablets (20x, Pack of 1)
HIGH5 ZERO Electrolyte Tablet - Hydration Tablets Enhanced with Vitamin C - 0 Calories & Sugar Free - Boost Hydration, Performance & Wellness - Blackcurrant, 20 Tablets (20x, Pack of 1)
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8.2

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Main Highlights

  • Replenish Electrolytes - ZERO electrolytes tablets ensure superior hydration and fluid balance over water alone: Easily stay hydrated throughout the day, even during intense workouts or hot weather
  • Scientific Formulation: ZERO sugar free electrolytes are rigorously developed for efficacy and convenience. 0 calorie electrolyte supplement with a variety of great tasting natural flavourings
  • Optimised Performance - Power through training and races with reduced fatigue and enhanced endurance: Support recovery with precise levels of sodium potassium magnesium electrolytes
  • Immune Support & Wellness - Rehydration tablets with electrolytes support your immune system and fight oxidative stress: Travelling essentials, electrolytes for fasting, keto electrolyes
  • Use Anywhere - Just drop a tablet into water for a refreshing electrolyte drink, ideal as backpacking essentials and long haul flight essentials: Stay energised on-the-go
  • Per 4g hydration tablet: Magnesium 56mg 15% RI, Potassium 70mg 3.5% RI, Calcium 9mg 1.1% RI, Vitamin C 28mg 35% RI Sodium 250mg, Green Tea 1mg

10

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 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)
score start

8.1

More info

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Main Highlights

  • Replenish Electrolytes - ZERO electrolytes tablets ensure superior hydration and fluid balance over water alone: Easily stay hydrated throughout the day, even during intense workouts or adverse weather
  • Immune Support and Wellness - Rehydration tablets with electrolytes support your immune system and fight oxidative stress with a blend of active ingredients, folic acid, Vit C and D3
  • Scientific Formulation - ZERO suger free electrolytes are rigorously developed for efficacy and convenience: 0 calorie electrolyte supplement with a variety of great tasting natural flavourings
  • Optimised Performance - Power through training and races with reduced fatigue and enhanced endurance: Support recovery with precise levels of sodium potassium magnesium electrolytes
  • Use Anywhere - Drop a tablet into cold water for a refreshing electrolyte drink or hot water to warm up in Winter: perfect backpacking essentials and travelling essentials for energy on-the-go

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