C4 Pre-Workout Review: The Extra Boost You Need in the Gym

There’s a good chance you’re looking for a C4 pre-workout review because you’re interested in pre-workout supplements. And of course, C4 is one of the most popular brands on the market today.

We’ve all heard stories about how pre-workout can give you that extra boost you need to go to the gym. But are they really true?

Obviously, there are a ton of pre-workout supplements to choose from. So does C4 live up to the hype? Or does fall short of the competition? What about potentially harmful side effects? These are some things you need to know in a C4 pre-workout review.

What Is C4 Pre-Workout?

C4 pre-workout is America’s top-selling pre-workout supplement. If you’ve never tried one of these supplements, you might curious about what they are and what they can do.

Pre-workouts are popular supplements that can give people that extra boost of energy they need to get through their exercise sessions. If you’re having trouble finding the motivation to hit the gym, this could be exactly what you’re looking for.

As we’ve already mentioned, C4 is one of the most popular pre-workout supplements on the market today. It uses several key ingredients to help you work out longer and more efficiently. We’ll take a closer look at these ingredients and how they work in a moment.

Also, C4 is available in several different varieties, depending on what you need. There’s C4 Original for beginners who need a mild energy boost, C4 Sport for athletes, C4 Ripped for those who are interested in weight loss, and much more. Most of this review will focus on C4 Original.

What Else Should You Know in a C4 Pre-Workout Review?

Of course, there are a few other things you need to know in a C4 pre-workout review. Here are some useful facts that might help you make a decision.

C4 pre-workout benefits

In a C4 pre-workout review, it’s important to take a look at its benefits. The foremost of these is a significant boost in energy that will help you get out of bed and into the gym.

So why couldn’t you drink an energy drink or a cup of coffee? Primarily, while an energy drink or coffee will still give you a caffeine boost, they don’t contain the same blend of supplemental vitamins and other ingredients that will give you a boost when you’re working out.

C4 can improve your performance at the gym. It can help you exercise longer before getting fatigued, and it can help you do more reps per set. It can even assist you in losing weight and gaining more muscle.

The main ingredients

All of these benefits are thanks to a unique blend of key ingredients. One of the most important of these is creatine. Creatine is found naturally in muscle cells, and it’s often taken as a supplement for athletic performance. As such, it’s one of the most widely researched supplements in this area.

It’s well-known for improving muscle growth and giving people the energy boost they need to hit the gym.

Beta-alanine is another important ingredient. That is an amino acid that decreases the amount of lactic acid in your muscles. As a result, it allows you to work out longer and become fatigued less quickly.

Additionally, some varieties of C4 contain taurine. Taurine is another amino acid that reduces muscle damage and removes waste products. This makes it another important ingredient in helping you work out longer before getting fatigued. Some studies show that it might even contribute to weight loss.

Finally, all of this is supplemented with a healthy dose of caffeine. We all know caffeine works wonders when it comes to getting you going in the morning. When combined with these other ingredients, it can also help you perform better in the gym.

Here is a list of all the ingredients contained in C4 Original:

  • 250mg of vitamin C
  • 30mg of niacin
  • 500mcg of vitamin B6
  • 250mcg of folic acid
  • 35mcg of vitamin B12
  • 1.6g of carnosine beta-alanine
  • 1g of creatine nitrate
  • 425g of explosive energy blend

Potential side effects

There’s a good chance you were looking for a C4 pre-workout review because you’re worried about potential side effects. While C4 does come with some side effects, these are mostly very minor.

The most noticeable effect is a tingling or itching sensation in the face and hands. This is a side effect of beta-alanine, and it’s common among almost all pre-workout supplements. Some people might find it to be an uncomfortable sensation. However, some people enjoy it because it lets them know it’s working.

Also, there have been rare instances of people having stomach issues after taking C4. This might be due to caffeine intolerance. In any case, these experiences are few and far between, and it’s not common for most people. Nonetheless, it’s always a good idea to take C4 on a full stomach.

Does it work?

The answer to this question is a resounding yes. Almost every C4 pre-workout review we researched said that this supplement gave them the energy boost they needed to tackle their workout.

Many people said they couldn’t imagine going to the gym without it. It helped them exercise longer, and they also saw improvement in terms of muscle growth.

Furthermore, customers felt the energy boost they received wasn’t too overwhelming. This can be a problem with some pre-workout supplements. They often give the customer more energy than they know what to do with.

This isn’t a problem with C4. It simply gives you a mild boost to help you hit the gym as hard as you can. Customers on Amazon give it 3.9 out of 5 stars.

How Much Does It Cost?

A 30-serving container of C4 pre-workout will typically cost between $15 and $35. This is slightly more expensive than most pre-workout supplements. However, many people will say it’s worth the extra cost. C4 is very good at what it does, and it doesn’t have the side effects you might experience from similar supplements.

You can buy C4 pre-workout online at Amazon or its official website. You can also find it in virtually any drug store, along with Walmart, Walgreens, and Target.

How We Reviewed

In the following reviews, we used Amazon and the products’ official websites as our primary sources of information. BodyBuilding.com was also used on occasion.

Also, our opinions of these products were mostly informed by customer reviews from Amazon. We chose to focus on a few key features in these reviews. These are benefits, side effects, taste, and price.

How Does It Compare to Other Pre-Workouts?

Of course, it’s not a real C4 pre-workout review unless we look at the competition as well. Let’s see how C4 stacks up against some of the other pre-workout supplements out there.

MuscleTech NeuroCore

MuscleTech NeuroCore is another one of the most popular supplements in the pre-workout market. It is the supplement for you if you need a very explosive boost of energy. While the boost you get from NeuroCore is very intense, it’s also very focused.

In addition to this, it also promotes muscle growth and long-lasting pumps. All bottles of NeuroCore are tested by a third party to ensure quality.

Most customers feel that this supplement gives them the energy boost they are looking for. They also appreciate the fact that all of their ingredients are listed openly.

That said, some customers hated the taste. Many also felt the tingling sensation was more overwhelming than what they experienced with other pre-workouts.

A 30-serving container of NeuroCore costs between $15 and $30. This is very comparable to C4. It’s worth considering if you need a very strong boost in energy. But if you want a mild energy boost, stick with C4. Amazon gave this product 4.2 out of 5 stars.

Active ingredients:

  • 1,067mg of carnosine beta-alanine
  • 1,000mg of creatine HCI
  • 1,000mg of L-citrulline
  • 120mg of caffeine anhydrous
  • 50mg of L-theanine
  • 33.3mg of Rhodiola extract
  • 25mg of Yohimbe extract
  • 16.7mg of deanol bitartrate

Optimum Nutrition Gold Standard

Optimum Nutrition Gold Standard is another excellent option when it comes to pre-workouts. These supplements are tested for banned substances, so you know exactly what you’re putting in your body.

Also, they only include the most necessary ingredients such as creatine monohydrate, carnosine beta-alanine, and L-citrulline malate. Together, these ingredients will give you the energy and focus you’re looking for.

Customers said this supplement gave them a very smooth boost of energy that helped them get through their workout. And unlike most pre-workouts, many of them enjoyed the taste.

On the downside, some people felt the caffeine levels were a bit too high. This might be a problem for people with low caffeine intolerance. Some customers had stomach problems as a result.

A 30 serving container of Optimum Nutrition Gold Standard costs between $20 and $40. This is slightly more expensive than the average pre-workout container.

Customers generally liked the taste better than C4, so you might try it if the taste is important to you. Just be aware that the caffeine dosage is a bit intense. Customers on Amazon gave it 4.1 out of 5 stars.

Active ingredients:

  • 500 IU of Vitamin D
  • 2mg of thiamin
  • 20mg of niacin
  • 2mg of Vitamin B6
  • 200mcg of folic acid
  • 10mcg of Vitamin B12
  • 10mg of pantothenic acid
  • 3g of creatine monohydrate
  • 25mg of AstraGIN proprietary blend
  • 1.5g of carnosine beta-alanine
  • 750mg of L-citrulline
  • 375mg of acetyl-L-carnitine HCI
  • 250mg of N-acetyl-L-tyrosine
  • 175mg of caffeine
  • 100mg of citrus bioflavonoids complex

Evlution ENGN

Finally, we have Evlution ENGN. This supplement is made specifically with athletes in mind.

Customers felt this supplement gave them a good energy boost without any jitters or crash afterward. They also really enjoyed the boost in mental focus that it gave them.

However, multiple people also experienced major stomach problems after taking it. Some also had issues with their hearts beating too fast. And once again, many simply did not like the taste.

A 30-serving container of Evlution ENGN costs between $25 and $45. It’s only slightly more expensive than C4.

While it might give you the boost you’re looking for, it might also be a bit too intense. Unfortunately, you don’t know how your body will react until after you try it. Amazon gave it 4.3 out of 5 stars.

Active ingredients:

  • 35mg of niacin
  • 2mg of vitamin B6
  • 800mcg of folic acid
  • 25mcg of vitamin B12
  • 200mg of choline
  • 2,000mg of creatine monohydrate
  • 1,600mg of carnosine beta-alanine
  • 2,562mg of ENGN Mind-to-Muscle Matrix proprietary blend

C4 Pre-Workout Pros and Cons

As you’ve seen in this C4 pre-workout review, this is a very popular supplement for good reason. It simply does exactly what you expect it to do. It gives you the boost you need, it helps you exercise for longer periods of time, and it promotes muscle growth. You will likely feel a tingling sensation after taking it, but this is true for virtually any pre-workout supplement.

More importantly, there have been a few customers who’ve had an upset stomach after taking it. Again, this was not typical for most people. Also, there were many customers that simply didn’t like the taste. While C4 is effective, you can find better tasting supplements out there.


  • Excellent energy boost
  • Become fatigued less quickly
  • Improved performance at the gym


  • It’s expensive
  • Bad taste
  • Some customers experienced an upset stomach

Will C4 Give You the Boost You’re Looking For?

Now that you’ve read this C4 pre-workout review, you should have a better idea of what C4 is and what it can do for you. It could very well give you the energy and motivation you’ve been looking for to get out of the house and go to the gym. On top of this, it can also help improve your performance, lose weight, and build muscle.

The main thing that might hold you back is the taste. This was a recurring issue in almost every C4 pre-workout review we researched. The truth is, C4 does not taste great. But then again, this is true for most pre-workout supplements.

And of course, there’s always the chance that you might experience stomach problems, but these instances are extremely rare. Overall, C4 is a very good product. It’s America’s top-selling pre-workout for a very good reason.

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