Cellucor C4 Performance Energy Carbonated RTD - 12x500ml / Cosmic Rainbow - Energy Ready-to-Drinks

Cellucor C4 Performance Energy Carbonated RTD

12x500ml / Cosmic Rainbow
£21.99
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Cellucor C4 Performance Energy Carbonated RTD - 12x500ml / Cosmic Rainbow - Energy Ready-to-Drinks
1/18

Cellucor C4 Performance Energy Carbonated RTD

£21.99
Free Delivery When You Spend £100
Size12x500ml
00
Hours
00
Mins
00
Secs
FOR SAME DAY DISPATCH
  • Turn on instant training focus—200 mg caffeine to get sharp, alert, and ready to move.
  • Go longer, finish stronger—CarnoSyn Beta‑Alanine helps you push through fatigue and keep your pace.
  • Power that stays consistent—BetaPower (betaine) supports muscle cell hydration for repeat efforts.
  • Grab-and-go pre‑workout—crisp, carbonated RTD with no mixing, no shaker, no mess.
  • Trusted for competition—NSF Certified for Sport and banned‑substance tested for confidence.

Cellucor C4 Performance Energy Carbonated RTD

Pop the can. Lock in. Go. C4 Performance Energy Carbonated RTD is the pre‑workout energy drink built for lifters, runners, HIIT addicts, and team‑sport athletes who want fast, reliable performance support—without a blender bottle. This ready‑to‑drink formula delivers a clean hit of energy and focus with ingredients athletes know and trust, so every rep, sprint, and circuit has purpose.

Whether you’re chasing a new personal best, crushing a MetCon, or squeezing in an evening session, C4 Performance Energy keeps you switched on from warm‑up to the final whistle.

Why this RTD pre‑workout hits different

Fast focus that feels crisp — Each can delivers 200 mg caffeine to elevate alertness and concentration, helping you get in the zone quickly and stay dialled in through tough sets.

Endurance you can feel — Clinically studied CarnoSyn Beta‑Alanine helps you fight fatigue when intensity rises, so you can hold your pace, add reps, and finish stronger.

Hydration that powers performanceBetaPower (betaine) supports muscle cell hydration, helping you maintain more consistent output across repeated efforts.

Athlete‑grade assuranceNSF Certified for Sport means batch‑tested quality and banned‑substance screening trusted across professional and collegiate sport.

Carbonated and convenient — Refreshing, grab‑and‑go pre‑workout you can drink anywhere. No mixing. No clumps. Just pop, sip, and train.

Who it’s for

Gym‑goers, strength athletes, HIIT fans, runners, and team‑sport players who want a performance‑driven, carbonated pre‑workout they can take on the move. Ideal before lifting, circuits, conditioning blocks, or high‑intensity sessions.

How to use

Enjoy chilled 20–30 minutes before training—or whenever you need a performance‑minded lift. High caffeine content (200 mg per can). Use responsibly.

What you’ll notice

  • A quick lift in energy and focus to kickstart your session.
  • More confidence during heavy sets and fast intervals.
  • A crisp, refreshing sip that becomes an easy pre‑workout ritual.
  • Peace of mind from NSF Certified for Sport testing.

Product details

  • Brand: Cellucor
  • Product: C4 Performance Energy Carbonated RTD (Ready‑to‑Drink)
  • Caffeine: 200 mg per can
  • Key ingredients: CarnoSyn Beta‑Alanine, BetaPower (betaine)
  • Certification: NSF Certified for Sport
  • Barcode (EAN): 842595119152

Serving Size

500ml

Expiry

12x500ml / Cosmic Rainbow 31-01-2028
12x500ml / Frozen Bombsicle 30-09-2027
12x500ml / Millions Apple 30-09-2027
12x500ml / Millions Bubblegum 30-09-2027
12x500ml / Millions Strawberry 31-01-2028
12x500ml / Twisted Limeade 31-01-2028

Barcodes

12x500ml / Cosmic Rainbow 842595119152
12x500ml / Frozen Bombsicle 842595116007
12x500ml / Millions Apple 5056569902267
12x500ml / Millions Bubblegum 5056569901598
12x500ml / Millions Strawberry 5056569901581
12x500ml / Orange Slice 842595116038
12x500ml / Pineapple Head 5056569900720
12x500ml / Twisted Limeade 842595116014

Warnings

Energy Drink with increased caffeine content and sweeteners (160mg/500ml). HIGH CAFFEINE CONTENT. NOT RECOMMENDED FOR CHILDREN OR PREGNANT OR BREAST-FEEDING WOMEN (32mg/100ml). Enjoy moderately as part of a balanced and varied diet.
  • 5 stars: 36 (75%)
  • 4 stars: 6 (13%)
  • 3 stars: 6 (13%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
M
Michael
Thumbs up.

Tastes great dose its job. For the price great value

P
Paula Mcstravog
Boost ur energy with this

Value for money

Gives good energy

Good size of a tin

Great quality taste

B
Big Spender
Really refreshing pick me up.

In my opinion, C4 Frozen Bombsicle is the best-tasting energy drink around. It's much more popular in the USA, and while some of the American flavours are (in my opinion) too sweet for the European palate, this one is clean, not overly sweet, and really refreshing.

The functional nutrients—amino acids linked with blood flow and B-vitamins that help reduce fatigue—along with a solid caffeine hit (160mg), make this a great pick-me-up when I need a boost.

Unfortunately, it's not widely available in UK retailers, who tend to favour the usual Monster, Red Bull, and Rockstar options, so I'm glad I can find it on My GYm Supplements. I find those too sweet, and they often lack the same functional benefits.

B
Betty
Taste amazing

Lovely flavour, tastes exactly the same as the millions bubblegum sweets. Good fizz levels and came delivered in good condition.

B
Betty
Taste amazing

Lovely flavour, tastes exactly the same as the millions bubblegum sweets. Good fizz levels and came delivered in good condition.

M
Michael
Thumbs up.

Tastes great dose its job. For the price great value

M
Mr Greg Pearson
“Good Energy Boost, but Flavors and Transparency Could Improve”

I've been using C4 Energy Drink for a while now, and while it does provide a reliable energy kick, there are a few areas for improvement. The value for money on a Subscribe & Save plan is decent, but I've noticed the price has increased recently, which makes it a bit less attractive compared to other options.

When it comes to flavor, I've always found C4's lineup to be a bit odd. This particular flavor wasn't my favorite—Rainbow is much better, in my opinion. If you’re picky about taste, you might want to explore other options in their range.

In terms of performance, it definitely does the job. The caffeine and other ingredients give a noticeable boost for workouts or busy days. However, the lack of transparency about the exact amounts of some ingredients is a bit of a letdown for those who like to know exactly what they’re consuming.

Overall, it's a good energy drink that delivers where it counts, but the taste and price changes might make you think twice. I’d still recommend it, especially for those who prioritize convenience and energy over flavor.

B
Betty
Taste amazing

Lovely flavour, tastes exactly the same as the millions bubblegum sweets. Good fizz levels and came delivered in good condition.

M
Michael
Thumbs up.

Tastes great dose its job. For the price great value

A
Anonymous
Great tasting and sensible ingredients

C4 is a new brand to me, I just don't see it in the shops in the same way as I do more common brands of energy drink such as Red Bull, Monster, Reign and Rockstar - perhaps it is more common abroad/internationally. So despite being a regular drinker of energy drinks, this was my first time trying this brand. And I have to say that I'm very impresses.

The taste is good - I tried "Cosmic Rainbow" and although its very sweet, the inclusion of malic acid means that it has a tartness to it aswell, a little like sour fizzy cola bottle sweets. The level of caffeine (160mg) gives a useful boost and is approximately the same as in other brands' 500ml drinks. I'm not sure that the taurine and betaine included have much scientific backing behind them in terms of efficacy.

One thing I do like with the ingredients is that although the drink contains added B3 and B12 vitamins, these are at relatively sensible levels for supplementation - one can contains around 50% of the recommended daily amount of each - I'd rather that it had none since vitamin mega-dosing can be dangerous, but the amount here is relatively low, certainly compared to brands I've come across such as Monster (500%) and Moose (4000%) which seems irresponsible from those brands and would even be illegal in some European countries!

All in all, I think this is going to be my go-to energy drink for now and I'll look forward to trying some more flavours on those days when I fancy a caffeine hit from a refreshing cold drink rather than a hot coffee.

E
Eduard Marais
Tropical Bliss Meets Performance Power

Product Overview:

C4 Performance Energy Drinks in Pineapple Head flavour offer a refreshing twist on the traditional energy drink, combining tropical taste with performance-enhancing ingredients in a convenient 12-pack of 500ml cans.

Key Features:

• 160mg of caffeine per can for sustained energy

• Sugar-free and zero-calorie formula

• Contains BetaPower and performance-boosting ingredients

• Delicious Pineapple Head flavour

Personal Experience:

As a long-time fitness enthusiast, I've tried numerous energy drinks, but C4's Pineapple Head flavour has quickly become my go-to choice. The moment you crack open a can, you're greeted with a burst of tropical aroma that instantly transports you to a sun-soaked beach. The taste is nothing short of exceptional - a perfect balance of sweet and tangy pineapple notes that dance on your taste buds without being overpowering.

Pros:

• Unparalleled pineapple flavour that's both refreshing and invigorating

• Effective energy boost without the jitters or crash

• Unique blend of performance-enhancing ingredients

• Versatile for both workout and daily energy needs

Cons:

• Slightly pricier than some other energy drink options

• May be too sweet for those preferring very subtle Flavors

Comparison:

What sets C4 apart from other energy drinks is its commitment to both flavour and function. Unlike many competitors that sacrifice taste for efficacy, C4 Pineapple Head delivers on both fronts. The inclusion of BetaPower and other performance-enhancing ingredients makes it a superior choice for those seeking more than just a caffeine hit.

Recommendation:

I wholeheartedly recommend C4 Performance Energy Drinks in Pineapple Head flavour to anyone looking for a delicious, effective energy boost. Whether you're hitting the gym, powering through a workday, or just need a refreshing pick-me-up, this drink delivers. The tropical flavour profile makes it a standout choice, especially for those who find traditional energy drinks too artificial or bland. With its unique blend of ingredients and irresistible taste, C4 Pineapple Head is more than just an energy drink - it's a flavour experience that energizes both body and spirit.

B
Betty
Taste amazing

Lovely flavour, tastes exactly the same as the millions bubblegum sweets. Good fizz levels and came delivered in good condition.

C
Ceri Taylor
Best flavour

Love this flavour and product. It is a good price on here for bulk buying.

P
Paula Mcstravog
Boost ur energy with this

Value for money

Gives good energy

Good size of a tin

Great quality taste

B
Betty
Taste amazing

Lovely flavour, tastes exactly the same as the millions bubblegum sweets. Good fizz levels and came delivered in good condition.

B
Big Spender
Really refreshing pick me up.

In my opinion, C4 Frozen Bombsicle is the best-tasting energy drink around. It's much more popular in the USA, and while some of the American flavours are (in my opinion) too sweet for the European palate, this one is clean, not overly sweet, and really refreshing.

The functional nutrients—amino acids linked with blood flow and B-vitamins that help reduce fatigue—along with a solid caffeine hit (160mg), make this a great pick-me-up when I need a boost.

Unfortunately, it's not widely available in UK retailers, who tend to favour the usual Monster, Red Bull, and Rockstar options, so I'm glad I can find it on My GYm Supplements. I find those too sweet, and they often lack the same functional benefits.

A
Anonymous
Great tasting and sensible ingredients

C4 is a new brand to me, I just don't see it in the shops in the same way as I do more common brands of energy drink such as Red Bull, Monster, Reign and Rockstar - perhaps it is more common abroad/internationally. So despite being a regular drinker of energy drinks, this was my first time trying this brand. And I have to say that I'm very impresses.

The taste is good - I tried "Cosmic Rainbow" and although its very sweet, the inclusion of malic acid means that it has a tartness to it aswell, a little like sour fizzy cola bottle sweets. The level of caffeine (160mg) gives a useful boost and is approximately the same as in other brands' 500ml drinks. I'm not sure that the taurine and betaine included have much scientific backing behind them in terms of efficacy.

One thing I do like with the ingredients is that although the drink contains added B3 and B12 vitamins, these are at relatively sensible levels for supplementation - one can contains around 50% of the recommended daily amount of each - I'd rather that it had none since vitamin mega-dosing can be dangerous, but the amount here is relatively low, certainly compared to brands I've come across such as Monster (500%) and Moose (4000%) which seems irresponsible from those brands and would even be illegal in some European countries!

All in all, I think this is going to be my go-to energy drink for now and I'll look forward to trying some more flavours on those days when I fancy a caffeine hit from a refreshing cold drink rather than a hot coffee.

P
Paula Mcstravog
Boost ur energy with this

Value for money

Gives good energy

Good size of a tin

Great quality taste

A
Anonymous
Great tasting and sensible ingredients

C4 is a new brand to me, I just don't see it in the shops in the same way as I do more common brands of energy drink such as Red Bull, Monster, Reign and Rockstar - perhaps it is more common abroad/internationally. So despite being a regular drinker of energy drinks, this was my first time trying this brand. And I have to say that I'm very impresses.

The taste is good - I tried "Cosmic Rainbow" and although its very sweet, the inclusion of malic acid means that it has a tartness to it aswell, a little like sour fizzy cola bottle sweets. The level of caffeine (160mg) gives a useful boost and is approximately the same as in other brands' 500ml drinks. I'm not sure that the taurine and betaine included have much scientific backing behind them in terms of efficacy.

One thing I do like with the ingredients is that although the drink contains added B3 and B12 vitamins, these are at relatively sensible levels for supplementation - one can contains around 50% of the recommended daily amount of each - I'd rather that it had none since vitamin mega-dosing can be dangerous, but the amount here is relatively low, certainly compared to brands I've come across such as Monster (500%) and Moose (4000%) which seems irresponsible from those brands and would even be illegal in some European countries!

All in all, I think this is going to be my go-to energy drink for now and I'll look forward to trying some more flavours on those days when I fancy a caffeine hit from a refreshing cold drink rather than a hot coffee.

P
Paula Mcstravog
Boost ur energy with this

Value for money

Gives good energy

Good size of a tin

Great quality taste

C
Ceri Taylor
Best flavour

Love this flavour and product. It is a good price on here for bulk buying.

M
Michael
Thumbs up.

Tastes great dose its job. For the price great value

E
Eduard Marais
Tropical Bliss Meets Performance Power

Product Overview:

C4 Performance Energy Drinks in Pineapple Head flavour offer a refreshing twist on the traditional energy drink, combining tropical taste with performance-enhancing ingredients in a convenient 12-pack of 500ml cans.

Key Features:

• 160mg of caffeine per can for sustained energy

• Sugar-free and zero-calorie formula

• Contains BetaPower and performance-boosting ingredients

• Delicious Pineapple Head flavour

Personal Experience:

As a long-time fitness enthusiast, I've tried numerous energy drinks, but C4's Pineapple Head flavour has quickly become my go-to choice. The moment you crack open a can, you're greeted with a burst of tropical aroma that instantly transports you to a sun-soaked beach. The taste is nothing short of exceptional - a perfect balance of sweet and tangy pineapple notes that dance on your taste buds without being overpowering.

Pros:

• Unparalleled pineapple flavour that's both refreshing and invigorating

• Effective energy boost without the jitters or crash

• Unique blend of performance-enhancing ingredients

• Versatile for both workout and daily energy needs

Cons:

• Slightly pricier than some other energy drink options

• May be too sweet for those preferring very subtle Flavors

Comparison:

What sets C4 apart from other energy drinks is its commitment to both flavour and function. Unlike many competitors that sacrifice taste for efficacy, C4 Pineapple Head delivers on both fronts. The inclusion of BetaPower and other performance-enhancing ingredients makes it a superior choice for those seeking more than just a caffeine hit.

Recommendation:

I wholeheartedly recommend C4 Performance Energy Drinks in Pineapple Head flavour to anyone looking for a delicious, effective energy boost. Whether you're hitting the gym, powering through a workday, or just need a refreshing pick-me-up, this drink delivers. The tropical flavour profile makes it a standout choice, especially for those who find traditional energy drinks too artificial or bland. With its unique blend of ingredients and irresistible taste, C4 Pineapple Head is more than just an energy drink - it's a flavour experience that energizes both body and spirit.

E
Eduard Marais
Tropical Bliss Meets Performance Power

Product Overview:

C4 Performance Energy Drinks in Pineapple Head flavour offer a refreshing twist on the traditional energy drink, combining tropical taste with performance-enhancing ingredients in a convenient 12-pack of 500ml cans.

Key Features:

• 160mg of caffeine per can for sustained energy

• Sugar-free and zero-calorie formula

• Contains BetaPower and performance-boosting ingredients

• Delicious Pineapple Head flavour

Personal Experience:

As a long-time fitness enthusiast, I've tried numerous energy drinks, but C4's Pineapple Head flavour has quickly become my go-to choice. The moment you crack open a can, you're greeted with a burst of tropical aroma that instantly transports you to a sun-soaked beach. The taste is nothing short of exceptional - a perfect balance of sweet and tangy pineapple notes that dance on your taste buds without being overpowering.

Pros:

• Unparalleled pineapple flavour that's both refreshing and invigorating

• Effective energy boost without the jitters or crash

• Unique blend of performance-enhancing ingredients

• Versatile for both workout and daily energy needs

Cons:

• Slightly pricier than some other energy drink options

• May be too sweet for those preferring very subtle Flavors

Comparison:

What sets C4 apart from other energy drinks is its commitment to both flavour and function. Unlike many competitors that sacrifice taste for efficacy, C4 Pineapple Head delivers on both fronts. The inclusion of BetaPower and other performance-enhancing ingredients makes it a superior choice for those seeking more than just a caffeine hit.

Recommendation:

I wholeheartedly recommend C4 Performance Energy Drinks in Pineapple Head flavour to anyone looking for a delicious, effective energy boost. Whether you're hitting the gym, powering through a workday, or just need a refreshing pick-me-up, this drink delivers. The tropical flavour profile makes it a standout choice, especially for those who find traditional energy drinks too artificial or bland. With its unique blend of ingredients and irresistible taste, C4 Pineapple Head is more than just an energy drink - it's a flavour experience that energizes both body and spirit.

C
Ceri Taylor
Best flavour

Love this flavour and product. It is a good price on here for bulk buying.

P
Paula Mcstravog
Boost ur energy with this

Value for money

Gives good energy

Good size of a tin

Great quality taste

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