10 Best Caffeine Energy Drinks in The UK

Last updated on 07/09/2025

Advertising disclosure

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

7% OffFree Shipping

Why We Love It

Sustains Performance During Exercise.
Promotes Optimal Hydration.
Natural Fruit Flavorings.

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 (28mg)
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

CELSIUS Sunset Vibe, Sparkling Energy Drink, 7 Vitamins, Caffeine, No Artificial Colours, Sugar Free Energy Drinks, Mango Passionfruit, 355 mL, 12-Pck

Why We Love It

Zero sugar, gluten free.
Tropical fusion flavors delight.
Perfect daily pick-me-up.

Main Highlights

EVERYDAY ENERGY: Each CELSIUS energy drink delivers sustained, functional energy, specially formulated to work with your body and support your goals.
FUNCTIONAL WELLNESS: CELSIUS Vibe zero sugar energy drinks are powered by 7 vitamins, caffeine, zero sugar and no artificial colours. Real fuel for real results.
SUNSET VIBE: A tropical fusion of mango and passion fruit flavours, each sip takes you on a journey to paradise. Exotic and vibrant, Sunset Vibe delivers a sun soaked taste experience.
STAY SHARP: Packed with B vitamins and vitamin C, CELSIUS Sparkling Sunset Vibe zero sugar drinks can help keep your energy high and your focus on point, while supporting your immune system.
LIVE FIT: With each sip, feel the difference of a sugar free energy drink crafted to keep you fueled, focused, and ready to take on whatever the day brings.

Optimum Nutrition Essential Amino Energy + Electrolytes, Ready to Drink Sugar Free EAA Energy Drink with Electrolytes and Caffeine, Workout Supplement for Men and Women, Pink Lemonade, 24x250 ml

Free Shipping

Why We Love It

Sugar-free and low calorie.
Boosts alertness and concentration.
Convenient on-the-go option.

Main Highlights

ESSENTIAL AMIN.O. ENERGY + Electrolytes energy drink from Optimum Nutrition (ON), the perfect addition to your daily protein bars & shakes
This refreshing sugar free drink with 3.1 g of amino acids, including citrulline, glutamine, tyrosine, taurine, beta-alanine, arginine and three BCAAs
The energy drink with 100 mg of caffeine to help sharpen your alertness and improve concentration**
Ideal pre-workout or anytime you need a boost with 70 mg of electrolytes
Ready to drink, low calorie (only 10 calories per serving) and sugar free. Available in convenient 250 ml cans, a perfect drink on-the-go
*Magnesium contributes to a reduction of tiredness and fatigue and normal energy-yielding metabolism. Source: COMMISSION REGULATION (EU) No 432/2012 of 16 May 2012
**Source: EFSA Journal 2011;9(4):2054 24

Boost Energy Drink Sugar Free Original - 24 Pack Drinks with Caffeine, Taurine and Vitamin B | Carbonated Energy Drinks | Gluten Free Vegan Low Calorie Zero Sugar Fizzy Drinks | 24x250ml

20% Off

Why We Love It

Zero sugar, full fizzy flavor.
Fights tiredness and fatigue.
Only 10 calories per can.

Main Highlights

ORIGINAL FLAVOUR SUGAR FREE ENERGY DRINK 24 PACK - Enjoy a full-flavoured, energising kick with this Boost Energy Original Sugar Free Cans 24 Pack! Our energising sugar free soft drinks deliver maximum taste with the original flavour you know with none of the sugar. Treat your tastebuds and experience Boost in every part of your day with this powerful productivity drink!
MAX PERFORMANCE CAN DRINKS 24 PACK BULK - Get the energy you need to make life happen with our energy drink. Infused with 70mg caffeine per 250ml to help keep you going for longer, increase alertness and reduce feelings of tiredness. These canned drinks also include Taurine, vitamin B12, and vitamin B6 for an extra burst of vitality.
INVIGORATING FIZZY CANS 24 PACK - Tackle your everyday tasks with a whole new level of stimulation and experience the energy to take on life's challenges head on with these chilled drinks. Our crates of energy drink get you owning early mornings in the office, pushing through lunchtime dates with extra barbell plates and dominating your late-night gaming sessions.
SUPERCHARGED ENERGY DRINK CANS FOR ALL - Get the ultimate recharge exactly when you need it with our low calorie (4 kcals per 100ml), vegan and vegetarian friendly and gluten free sugar free drinks 24 pack! Perfect for priming your mind and body first thing in the morning or just after lunch when a sustained energy release is needed more than ever!
UK-BASED ZERO SUGAR ENERGY DRINKS 24 PACK - We make multi pack drinks that taste great, cost less and give you the Boost you need to own your day. Since 2001, our mission has been creating great-tasting functional cases of fizzy drinks at a price our customers can't get enough of. And, if we say so ourselves, we do it better than anyone else.

C4 Performance Energy Drinks Cosmic Rainbow 500ml (12 pack) | Sugar Free Energy Drink with 160mg Caffeine, 250mg Betaine, 1050mg Taurine | Low Calorie Fizzy Drinks for On the Go Energy and Focus

18% Off

Why We Love It

Explosive energy on-the-go.
Powerful energy boost delivered.
Delicious, guilt-free refreshment.

Main Highlights

EXPLOSIVE ENERGY DRINK: Grab energy on the go with C4 Performance Energy. This performance energy drink is the ideal beverage to conquer your goals both in the gym and in everyday life - comes as a 12 x 500ml can multipack.
POWERFUL ENERGY BOOST: C4 Performance Energy is powered by BetaPower and other key ingredients that support explosive energy, alertness, and performance. With 160mg caffeine, plus niacin (vitamin B3) and vitamin B12 to help reduce tiredness and fatigue and support normal energy metabolism.
ZERO SUGAR SOFT DRINKS: Low in calories with zero sugars and carbohydrates, you can enjoy a can of C4 Performance for a guilt free energising lift to power you through your day.
GREAT TASTING SOFT DRINKS: The refreshing Cosmic Rainbow flavour is a delicious way to get a game changing energy boost - C4 Performance is also available in Frozen Bombsicle, Pineapple Head, Orange Slice, and Twisted Limeade.

C4 Smart Energy Drinks Mango 330ml (12 pack) | Sugar Free Energy Drink with 106mg Natural Caffeine, Brainberry, Nootropics, Vitamin C | Natural Energy Drink for Mental Focus On the Go

Why We Love It

Natural caffeine-derived energy boost.
Zero sugar, guilt-free enjoyment.
Clinically verified mental focus.

Main Highlights

ON THE GO ENERGY SUPPORT: Grab energy anytime, anywhere with C4 Smart Energy. Packed with clinically studied ingredients, it gives a natural energy boost to increase mental focus and fuel an active life on the go - comes as pack of 12 x 330ml cans.
NATURAL CAFFEINE ENERGY BOOST: A single 330ml can of C4 Smart Energy has 106mg of completely natural caffeine derived from green coffee extract to kickstart your day and tackle your goals.
BRAIN SUPPLEMENT TO SHARPEN MENTAL FOCUS: Our energy drink recipe uses clinically verified mental focus ingredients including Brainberry and Nootropics to support mental focus, attention, and recall, keeping your mind sharp through the whole day.
ZERO SUGAR HEALTHY ENERGY DRINK: These low calorie, sugar free drinks are brimming with vitamins and minerals to promote well being, concentration, and immune function using no artificial colours or dyes and zero carbs for guilt free invigoration.
DELICIOUS TASTING SOFT DRINKS: Naturally fuel your day with this refreshing Mango energy drink so you can stay focused for moments of inspiration, motivation, and creativity - also available in Watermelon Burst and Red Berry Yuzu.

Dragon Energy Sugar Free Energy Drink 24 x 250ml Cans

Free Shipping

Why We Love It

Boosts performance without extra calories.
Enhances overall health with vitamins.
Promotes sustainability and natural ingredients.

Main Highlights

Go beyond your limits with these tasty energy drinks. Whether you are wanting to complete a gaming marathon or going that extra mile with your workout, this Sugar Free Energy Drink can help boost your performance, without compromising on calories
This energy drink can help boost your immune system, mental well-being and physical performance. They contain vitamins B3,B5,B6 and B13, which can boost your overall health
Unleash your inner dragon with these energy drinks manufactured in the UK. They can help you to be bold, valiant and persevere by bringing out physical as well as spiritual well-being and strength
Kingsley Beverages aim for sustainability. They are committed to using only natural ingredients in their products, with 100% locally sourced sugar, natural flavours and natural colouring's in all products, alongside recyclable packaging
They have strong values, including a natural choice, putting the customer first and having a motivated and streamline ethic. All of this ensures their drinks are sourced ethically and creates the best tasting drinks for you to enjoy

SNEAK Energy Drink Starter Pack | 9 Sachets with Monochrome Shaker | No Sugar. No Nasties. Just Natural Caffeine, Focus-Boosting Nootropics

15% Off

Why We Love It

Starter pack with varied flavours.
Enhances concentration, zero sugar.
Unique taste, no artificialities.

Main Highlights

STARTER PACK - Everything you need to get started with Sneak – nine sachets in our favourite flavours, and we'll even throw in our Monochrome Shaker. Flavours may include Blue Raspberry, Breakfast Orange, Cherry Bomb, Electric Mango, Vanilla Shake, Caramel Latte Shake, Cola, Neon Punch, Origins, Peach Iced Tea, Purple Storm, Raspberry Lemonade, Strawberry Watermelon or Tropikilla (flavours will vary).
FUEL DIFFERENT - Our formula is designed to help you do more of what you love for longer. With active ingredients for concentration and focus, and zero sugar for zero crash.
NEXT LEVEL FLAVOUR - Every SNEAK flavour is next-level, but we never use artificial flavours or colourings. That’s what we’re about, and it’s what we do best.
HIGH PERFORMANCE - Fuel your focus with 150mg of caffeine per serving.
SNEAK POWDER - Our powdered energy formula puts you in control. Want to mix flavours and find a unique taste? Embrace those mad scientist vibes.

Rubicon RAW 12 Pack Peach & Berry 500ml Energy Drink Zero Added Sugar + 10% Fruit Juice, High Caffeine with B-Vitamins, Ginseng & Guarana, Reduce Tiredness & Boost Energy

Free Shipping

Why We Love It

Zero added sugar for health.
Natural caffeine boosts energy.
Delicious and refreshing flavors.

Main Highlights

NEW Rubicon RAW Peach & Berry Energy Drink
ZERO ADDED SUGAR: No artificial colours. No artifical flavours
NATURAL CAFFEINE: Green coffee beans
REDUCE TIRENESS: B-Vitamins, Ginseng and Guarana
GREAT TASTING ENERGY DRINK: Available in Peach & Berry, Apple & Guava, Orange & Mango, Pineapple & Passionfruit and Raspberry & Blueberry

SNEAK Energy Drink Cans | Tropikilla | No Sugar. No Nasties. Just Natural Caffeine, Focus Boosting Nootropics in a Can | 330ml x 12

Free Shipping

Why We Love It

Fruity flavor you’ll love.
Natural ingredients for peak performance.
Caffeine boost for gaming focus.

Main Highlights

SNEAK TROPIKILLA - Fruity, fresh, killa. Tropikilla - your favourite fruit, crushed.
ALL NATURAL - Using only all natural colours and flavours to create our exceptionally tasty authentic blend for the ultimate high performance gaming boost
ULTIMATE GAMING BOOST - Zero Sugar and 12 calories per serving, with SNEAKS secret blend of ingredients giving the ultimate gamer long lasting focus, drive and hydration for any gaming session
READY TO GRAB - Retaining all the taste of the tubs with the kick of carbonation, and filled with all the same benefits that go in to signature flavours, our cans are ready to grab, ice cold, straight from the fridge.
HIGH PERFORMANCE - Giving you energy to create with 150mg of caffeine per serving, guaranteed to level-up your gaming experience

8.7

Excellent

We scanned 795 products

We reviewed these offers relevant to the Caffeine Energy Drinks 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 HIGH5, CELSIUS, Optimum Nutrition, Boost, Cellucor, Dragon Energy, SNEAK, Rubicon, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Caffeine Energy Drinks in the market, we considered we took a deep dive into 3976 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 HIGH5 Energy Drink Caffeine - Electrolytes Sport Energy Drink Powder - Isotonic Drink with 2:1 Fructose - Hydration for Running, Cycling, Endurance Fuel - Natural Flavours (Citrus, 2.2kg, 46 Servings). We love many things about this product by HIGH5. What sets it apart from the competition is Sustains Performance During Exercise, Promotes Optimal Hydration, Natural Fruit Flavorings.
The best value product for most shoppers and where user satisfaction is continuously the highest is CELSIUS Sunset Vibe, Sparkling Energy Drink, 7 Vitamins, Caffeine, No Artificial Colours, Sugar Free Energy Drinks, Mango Passionfruit, 355 mL, 12-Pck by CELSIUS based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Caffeine Energy Drinks and the best cost-to-value ratio is Boost Energy Drink Sugar Free Original - 24 Pack Drinks with Caffeine, Taurine and Vitamin B | Carbonated Energy Drinks | Gluten Free Vegan Low Calorie Zero Sugar Fizzy Drinks | 24x250mlat Boost with a 20% discount.
Our list of the best Caffeine Energy Drinks 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 Caffeine Energy Drinks in The UK

Related Deals You Might Like for Caffeine Energy Drinks

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

𝐏𝐖𝐑-𝐁𝐑𝐔 Dynamo Fruit Punch 12 Pack Big Can Energy Drink with High Caffeine, Taurine and Vitamins - 12 x 500ml Cans

Purdey’s Rejuvenate Natural Energy Drink 12 x 250 ml Cans

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

Boost Energy Drink Original Flavour - 12 Pack Drinks with Caffeine, Taurine and Vitamin B | Carbonated Energy Drinks | Gluten Free Vegan Low Calorie Fizzy Drinks Multipack | 12x500ml

Applied Nutrition BodyFuel Energy Shot - Body Fuel Prime Energy Shot, Physical Performance with B-Vitamins, Taurine, Caffeine, Sugar Free, Zero Calories (Box 12 Units x 60ml) (Blue Raspberry)

HIGH5 Caffeine Gels Running - Glucose Shots for Instant Energy and Running Fuel - Natural Fruit Juice Energy Shots - Sports Gel for Running, Cycling, Ultra Marathon, Ironman (Raspberry, 20 x 40g)

Monster Ultra Energy Drink Zero Sugar, 9 x 500 ml

Boost Energy Drink Sugar Free Original - 12 Pack Drinks with Caffeine, Taurine and Vitamin B | Carbonated Energy Drinks | Gluten Free Vegan Low Calorie Zero Sugar Fizzy Drinks | 12x500ml

Energy Bytes Caffeine Energy Gummies - Fast, Delicious Boost for Focus & Productivity - Superior to Energy Drinks, Gels, Chews - Vegan, Low Sugar, with Vitamins A, D, B3, B6 & B12 | 15 Count

We scanned 795 products

We concluded that: