C4 Energy Drink Review (Honest)

C4 energy drink

C4 energy drink is developed by a company known as Nutrabolt. Nutrabolt is mainly famous for its energy drinks in which C4 and XTEND come along. It’s a perfect pre-workout supplement to give you the exact amount of energy that your body requires.

This energy drink contains zero sugar, calories, vitamins, and caffeine with a unique and tasteful blend. The purpose of making this energy drink is different as C4 is specially built for gamers and trainers.

But is there any guarantee that this drink works well? Or is it beneficial before workouts? This review will help you a lot to gather all the necessary information.

So let’s find out more!

Ingredients of C4 Energy Drink

C4 energy drinks are calorie-free, sugar-free, and have no carbs and sodium drinks. The original can of C4 energy drink contains the following ingredients:

  • Carbonated Water
  • Caffeine
  • Citric Acid
  • Natural and Artificial Flavors
  • 30 mg Niacin
  • 6 mcg Vitamin B12
  • 85 mg Potassium
  • Potassium Sorbet
  • Sucralose and Acesulfame Potassium
A can of C4 energy drink
C4 Supplement Facts

How Much Caffeine Is in C4 Energy Drink?

The caffeine amount present in C4 is 200 mg which is half of the daily limit for a person.

Caffeine is derived from different vegetations to stimulate your brain and body functions. This stimulation will aid you in staying alert, removes tiredness, stimulates muscles, and keep you awake.

Caffeine has a limit to which a person should use this ingredient. And the limit of caffeine for a healthy adult is 400mg, the Food and Drug Administration (FDA) recommends.

The C4 energy drink has 4 different versions. And every version contains different caffeine levels. If you want to know the caffeine level of this brand’s other energy drinks, then look at the table below.

VersionsCaffeine Content (mg)
C4 Original200
C4 Smart200
C4 Ultimate300
C4 Natural Zero150
Caffeine content comparison with C4 versions

Apart from C4 Natural Zero, all versions contain a high amount of caffeine. If you’re a daily consumer of coffee, then you can easily take this energy drink once a day because the caffeine amount present in the C4 Energy Drink is almost equal to the one cup of coffee.

However, here are some other energy drink’s caffeine content comparisons:

Energy DrinksCaffeine Content
Red bull 180 mg
Monster160 mg
Coca-Cola Energy80 mg
Venom160 mg
Different energy drinks’ caffeine content comparison

The only thing you will need to ensure is not to take this energy drink twice a day because the results may not please you. Some effects of caffeine overdose include:

  • Anxiety
  • Digestive problems
  • Sleep problems
  • Fatigue
  • Muscle breakdown
  • Unusual high blood pressure

Artificial Sweeteners Present in C4

C4 energy drink contains 2 artificial sweeteners, which include sucralose and acesulfame potassium.

This energy drink contains no sugar; the brand uses artificial sweeteners to give it a sweetened taste. Although artificial sweeteners don’t provide many benefits like other ingredients, they’re just present to provide you with extra flavors.

C4 energy drink
C4 energy drink

These are so commonly used in energy drinks because sometimes labels don’t show how much sucrose is present in an energy drink. The benefit of sucrose includes it doesn’t hurt blood sugar levels or insulin.

Unlike sucrose, acesulfame potassium has a sour taste, and it’s 200 times extra sweeter than simple sugar.

C4 Energy Drink Review

C4 energy drink
C4 enhances your mental and physical performance.

Taste of C4

In my opinion, the C4 taste is like heavenly slushes according to the flavor.

After the first sip of C4, you’ll know this energy drink has an entirely different taste from sparkling water.

You will get all tropical vibes at home after drinking a can of C4. It contains no sugar, but artificial sweeteners satisfy your taste buds by giving you a sweetened taste.

Who doesn’t want a budget-friendly energy drink with a breathtaking taste? If you want it, check out all the flavors of this energy drink today.


C4 Original contains less caffeine. However, I need an extra energy boost to start my day. Therefore, I choose Ultimate, which includes 300mg of caffeine.

This amount is enough to keep me energized throughout the day. But if you’re sensitive to caffeine, you can choose its original version, which has much less caffeine.

Check out my other articles: Is C4 Energy Drink Bad For You?


A 16 fl oz can of C4 energy drink price is around $3, and its 12 fl oz can of C4 is about $2. C4 Original, Smart Energy, and Ultimate price are roughly the same. However, its price may change from time to time.

If you want to know others’ reviews regarding C4 Energy Drink, see the video below;

C4 energy drink review

C4 VS Other Energy Drinks

C4 energy drink
C4 energy drink cotton candy flavor

The table below shows the comparison of C4 Energy Drink with other popular energy drinks:

BRANDVolume (fl. oz)Caffeine (mg)Sugar (g) Price ($)
C416120 – 30002.50 – 3
Red BULL8.480272
C4 and other energy drinks comparison

C4 vs. Red Bull

C4 caffeine content ranges from 120mg to 300mg based on the product variant. An 8.4 fl oz can of Red Bull contains 80mg of caffeine. However, Red Bull has less caffeine, so you can choose this energy drink if you’re sensitive to caffeine.

But if you want a significant energy boost for your high-intensity workouts or tough work, I would recommend C4 Ultimate because of its caffeine content.

You would need at least two to three cans of Red Bull to reach the caffeine amount of C4 Ultimate, which is 300 mg. On the other hand, Red Bull contains 27g of sugar, and C4 is sugar-free, which is a plus point.

C4 vs. Bang

As mentioned above, C4 caffeine content lies between 120 to 300 mg of caffeine. Depending on the version of C4, Bang Energy Drink contains 300mg of caffeine.

C4 Ultimate caffeine content is equivalent to Bang’s and has become the most potent energy drink. However, a caffeine-sensitive person can’t choose a bang due to its high caffeine content. But they can choose C4 as they offer a low caffeinated energy drink version.

On the other hand, C4 and Bang are both sugar-free and use the same artificial sweeteners: Sucralose and Ace-K, which are responsible for their sweet taste.



Reign Energy Drink is formulated for people living an athletic lifestyle who wants to improve their exercise performance.

It’s sugar-free and contains few calories, so these energy drinks are great for people who prevent overeating calories and sugar. It has 300mg of caffeine, so you must take care of your caffeine infusion to avoid side effects.

However, if you’re looking for an energy boost you can choose this energy drink. If you’re interested, check out my other article Is Reign Energy Drink Bad for you.


Celsius Energy Drink contains no sugar, natural flavor, and only 10 calories. It has 200mg of caffeine and is rich in vitamin B and C. its caffeine content is less than Reign, still, this amount is a lot.

If you can easily consume one to two cups of coffee you can also take this energy drink. Another plus point of this energy drink is that it’s vegan-friendly and keto-friendly.


If you consume caffeine daily, you can easily consume Bang Energy Drink. A single can of Bang will be enough to keep you enthusiastic for the whole day.

It contains Super Creatine, 300 mg caffeine, zero sugar, CoQ10, and is calorie-free. Bang Energy Drink provides many benefits, such as improving physical performance and enhancing athletic performance.

Final Thoughts

I would rate this energy drink 8.5 out of 10 as in my opinion this energy drink is healthy and contains an impressive list of ingredients.

It contains caffeine which ranges from 120 to 300mg. Perfect for those who want less caffeine in their mornings and for those who want a significant energy boost and caffeinated energy drink in their morning.

C4 energy drink is sugar-free, so if you’re following a strict diet, then you don’t need to exclude this energy drink from your diet. However, it contains artificial sweeteners for taste. On the other hand, the C4 price is also reasonable.

Related Articles

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Can You Drink C4 Energy Drink Every Day? (Revealed)


I'm a caffeine-fueled writer, obsessed with uncovering the facts. I do my own research and try to share my findings here on this website.

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