10 Best Caffeine Energy in The UK

Last updated on 11/08/2025

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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 (Orange, 20 x 40g)

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Why We Love It

Instant energy for active lifestyles.
Refreshing natural fruit juice.
Contains health-conscious ingredients.

Main Highlights

Fast Energy When You Need It: HIGH5 energy gel delivers 23g of carbs per sachet (91 kcal) for rapid energy release during running, cycling, and endurance sports - Quick absorption carbohydrate gel to achieve peak performance when it matters most
Science-Driven, Athlete-Approved: founded in 1994 by British triathletes, HIGH5 has spent over 30 years developing sports nutrition - Partnering with world-class athletes, we ensure our high energy gels perform under the toughest endurance conditions
Great Performance, Better Taste: made with real fruit juice for a light, smooth texture, HIGH5 carbohydrate supplement is easy to consume with a refreshing, natural taste - We believe sports nutrition should fuel your body without tasting artificial
Pure Energy, No Compromise: Vegan-friendly and made with natural ingredients, HIGH5 running gels are free from artificial sweeteners, and colourings - A mindful choice tested by professionals and enjoyed by all levels of endurance athletes
A Thoughtful Sports Gift: HIGH5 energy gel packs are a practical training or race-day essential for the endurance-enthusiast in your life - A great pick for running gifts, cycling gifts, and triathlon gifts, perfect for those who push their limits
Efficient Energy Without Discomfort: easily digestible, scientifically formulated multi-carbohydrate energy gel to keep you energised during exercise without bloating - Quick gel fuel helps you stay focused on performance, not your stomach

Skill Nutrition Caffeine 200 mg - 240 tabs | High-Potency Caffeine Capsules | Pure Energy for Any Occasion | Vegan-Friendly | No Additives

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Why We Love It

Pure energy without additives.
Instant boost for workouts.
Enhances focus and alertness.

Main Highlights

PURE ENERGY, NO EXTRAS: Skill Caffeine 200 mg delivers a pure dose of caffeine without additives – perfect for those seeking a simple and effective energy source.
STRONG ENERGY BOOST: A high dose of caffeine in each tablet, allowing for a quick energy lift before a workout or during moments of fatigue.
EFFECTIVE IN ANY SITUATION: Caffeine helps enhance alertness and focus, making it ideal before workouts, mental tasks, or long drives.
SUITABLE FOR VEGANS: Free from animal-derived ingredients – suitable for both vegans and vegetarians.

HIGH5 Aqua Caffeine Carbohydrate Gels - Running Supplements for Fast Energy - Natural Fruit Juice - Muscle Gel Endurance Fuel for Cycle Nutrition & Energy Gels for Hiking (Berry, 20 x 66g)

53% OffFree Shipping

Why We Love It

Instant energy for peak performance.
Great taste with light texture.
Portable, hassle-free energy source.

Main Highlights

Fast Energy When You Need It: HIGH5 energy gel delivers 23g of carbs per sachet (95 kcal) for rapid energy release during running, cycling, and endurance sports - Quick absorption carbohydrate gel to achieve peak performance when it matters most
Science-Driven, Athlete-Approved: founded in 1994 by British triathletes, HIGH5 has spent over 30 years developing sports nutrition - Partnering with world-class athletes, we ensure our high energy gels perform under the toughest endurance conditions
Great Performance, Better Taste: made with real fruit juice, HIGH5 carbohydrate supplement offers a light sports drink-like consistency, eliminating the need for water - We believe sports nutrition should fuel your body without tasting artificial
Pure Energy, No Compromise: Vegan-friendly and made with natural ingredients, HIGH5 running gels are free from artificial sweeteners and colourings - A mindful choice tested by professionals and enjoyed by all levels of endurance athletes
A Thoughtful Sports Gift: HIGH5 energy gel packs are a practical training or race-day essential for the endurance-enthusiast in your life - A great pick for running gifts, cycling gifts, and triathlon gifts, perfect for those who push their limits
Efficient Energy Without Discomfort: easily digestible, scientifically formulated multi-carbohydrate energy gel to keep you energised during exercise without bloating - Quick gel fuel helps you stay focused on performance, not your stomach

Caffeine Bullet Energy Chews - Chocolate Orange. 40 * 85mg - Faster Kick Than Pills, Gels and Gum. Sport Science for Running, Cycling, Gaming & A Pre Workout Endurance Boost.

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Why We Love It

Quick caffeine boost in minutes.
Reduces fatigue, enhances performance.
Increases stamina and alertness.

Main Highlights

EXTREMELY FAST CAFFEINE BOOST ? Because you chew Caffeine Bullets, caffeine is absorbed through membranes in the mouth directly into your bloodstream, bypassing your stomach, giving you a caffeine kick in as little as 5 minutes. When you?re tiring in a race or struggling at the gym that could be the difference between winning and losing or setting a new personal best.
CAFFEINE REDUCES TIREDNESS AND FATIGUE ? the perfect race nutrition for breaking your personal best or as a caffeine kick for a pre workout boost so you can train harder for longer. Ideal for running, cycling, swimming, triathlon.. no matter what sport caffeine fuels your performance for better results.
INCREASED STAMINA ? Caffeine mobilises your fat stores as a fuel source instead of depleting muscle glycogen stores which can be saved for increased endurance. Whether you?re running a marathon, cycling a sportive or a body builder undertaking an intense session in the gym caffeine supplements your carbs intake to ensure that you don?t bonk or hit the hall.
INCREASE ALERTNESS ? when we tire we lose concentration. Caffeine blocks receptors in the brain protecting you from the effects of tiredness, giving you a caffeine high which increases your alertness and allows you to stay focused for longer and stay awake when driving, working or pulling an all-nighter.
NO JITTERS - NO BULL - a lot of caffeine products give you tingly rage and fill you with unhealthy nasties, we don?t. At less than 35kcal each chew fuels you with clean energy that feels natural and lasts longer for better performance.

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

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Why We Love It

Enhances energy with natural ingredients.
Provides fast, sustained energy boost.
Supports hydration and health goals.

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.

Clif Bloks Energy Chews Tropical Punch with Caffeine Sports Supplements, 60 g (Tropical - 3 Packs)

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Why We Love It

Easy to handle and chew.
Perfect for physical exercise.
Alternative to energy gels.

Main Highlights

Clif Bloks (also known as Shot Bloks) are a food supplement with carbohydrates, green tea extracts (caffeine) and potassium.
Each pack contains 6 bloks that are simple to handle and easy to chew.
Perfect for runners, cyclists, triathletes and any one doing physical exercise.
A great alternative to energy gels.

Caffeine Bullet Mint Energy Chews *40 – Faster Boost Than Gels, Tablets and Gum. 100mg Per Serving - Sport Science for Running, Cycling, Gaming & Pre Workout Endurance Kick.

4% OffFree Shipping

Why We Love It

Fast, direct caffeine boost.
Reduces tiredness, increases stamina.
Clean, jitter-free energy.

Main Highlights

EXTREMELY FAST CAFFEINE BOOST – Because you chew Caffeine Bullets, caffeine is absorbed through membranes in the mouth directly into your bloodstream, bypassing your stomach, giving you a caffeine kick in as little as 5 minutes. When you’re tiring in a race or struggling at the gym that could be the difference between winning and losing or setting a new Personal Best.
CAFFEINE REDUCES TIREDNESS AND FATIGUE – the perfect sports nutrition for breaking your personal best or as a caffeine kick for a pre workout boost so you can train harder for longer. Ideal for running, cycling, swimming, triathlon. No matter what sport caffeine fuels your performance for better results.
INCREASED STAMINA – Caffeine mobilises your fat stores as a fuel source instead of depleting muscle glycogen stores which can be saved for increased endurance. Whether you’re running a marathon, cycling a sportive or a body builder undertaking an intense session in the gym caffeine supplements your carbs intake to ensure that you don’t bonk or hit the hall. Become an energy monster with a caffeine shot like no other.
INCREASE ALERTNESS – when we tire we lose concentration. Caffeine blocks receptors in the brain protecting you from the effects of tiredness, giving you a caffeine high which increases your alertness and allows you to stay focused for longer and stay awake when driving, working or pulling an all-nighter.
NO JITTERS - NO BULL - a lot of caffeine products give you tingly rage and fill you with unhealthy nasties, we don’t. At less than 35kcal each chew fuels you with clean energy that feels natural and lasts longer for better performance.

Science in Sport Go Isotonic Energy Gel with Caffeine, Berry Flavour, 60ml (6 Packs)

19% OffFree Shipping

Why We Love It

Fast energy for peak performance.
Convenient caffeine boost on-the-go.
No water needed for effectiveness.

Main Highlights

PERFORMANCE BOOST: Based on the SiS GO Isotonic Energy Gel, this special energy gel was developed to deliver a mental and physical performance boost with its combination of carbohydrates and caffeine
CAFFEINE GEL: Especially during events lasting over 90 minutes, caffeine can help sustain performance over an extended period of time.
EASY TO DIGEST: Thanks to its isotonic formulation, the gel is easy to digest and can be consumed without water. This helps prevent the feeling of fullness that can occur with excessive water intake
VEGAN ENERGY GEL: Sports gel with a 100% vegan formula. This energy booster from SiS is also gluten-free.
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

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

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Why We Love It

Fast energy on-the-go.
Nutrient-rich and healthy alternative.
Delicious taste, no jitters.

Main Highlights

✅ INSTANT ENERGY GUMMIES: Get fast, sustained energy with Energy Bytes. These caffeine-infused gummies work up to 5X faster than traditional energy drinks. Each gummy provides 30mg of caffeine (equivalent to an espresso shot), allowing you to optimize your caffeine intake. Take 1-2 Bytes for the energy boost you need – 1 Byte = 1 espresso, 2 Bytes = 1 energy drink.
✅ PERFECT BOOST ANYTIME: Whether you’re working night shifts, hitting your personal best, or powering through a long day at the office, Energy Bytes are designed to fuel your body and mind. The convenient 60g pouch contains 15 servings to keep you energized on the go.
✅ NUTRIENT-ENRICHED & HEALTHY: These gummies go beyond caffeine. Infused with essential B-Vitamins to combat fatigue and Vitamins A & D to stimulate natural energy production, they provide a holistic boost. Low sugar, gluten-free, and made with 100% vegan-approved ingredients, Energy Bytes offer a healthier alternative to sugary energy drinks or coffee.
✅ DELICIOUS & CONVENIENT: Enjoy the sweet & sour taste of Energy Bytes, crafted with only natural flavors. Unlike caffeine tablets or sugary drinks, these gummies are mess-free, portable, and easier to consume without any jitters or crashes. Ideal for carrying in your bag for on-the-go energy without spills or bad breath.
✅ MADE IN THE UK: Proudly manufactured in a BRC AA+ GMP certified facility, Energy Bytes are crafted to the highest quality standards. With no artificial additives or allergens, they’re a clean, trustworthy choice for your daily energy and vitamin needs.

Powerkick Caffeine & Glucose Supplements - 40 Tablets (6 Packs - 240 Tablets in Total)

We scanned 482 products

We reviewed these offers relevant to the Caffeine Energy 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, SKILL Nutrition, Caffeine Bullet, Phizz, CLIF Bar, Science in Sport, Energy Bytes, Powerkick, 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 in the market, we considered we took a deep dive into 2411 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 Caffeine Gels Running - Glucose Shots for Instant Energy and Running Fuel - Natural Fruit Juice Energy Shots - Sports Gel for Running, Cycling, Ultra Marathon, Ironman (Orange, 20 x 40g). We love many things about this product by HIGH5. What sets it apart from the competition is Instant energy for active lifestyles, Refreshing natural fruit juice, Contains health-conscious ingredients.
The best value product for most shoppers and where user satisfaction is continuously the highest is Skill Nutrition Caffeine 200 mg - 240 tabs | High-Potency Caffeine Capsules | Pure Energy for Any Occasion | Vegan-Friendly | No Additives by SKILL Nutrition based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Caffeine Energy and the best cost-to-value ratio is HIGH5 Aqua Caffeine Carbohydrate Gels - Running Supplements for Fast Energy - Natural Fruit Juice - Muscle Gel Endurance Fuel for Cycle Nutrition & Energy Gels for Hiking (Berry, 20 x 66g)at HIGH5 with a 53% discount.
Our list of the best Caffeine Energy 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 in The UK

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We scanned 482 products

We concluded that: