Cellucor C4 Sport Pre-workout Powder Review

The purpose of this review is to provide you with a comprehensive overview of the Cellucor C4 Sport pre-workout powder, which is known to be one of the top-selling pre-workout products available. We will share our opinions on the product, as well as our findings from real-world usage, including its effectiveness in boosting energy levels, its impact on gym performance, and any potential side effects reported by users.

Continue reading to discover more details about the Cellucor C4 Sport pre-workout powder.

What is Cellucor C4 Sport pre-workout powder?


Cellucor C4 Sport is a flavored powder that is intended to be mixed with 6-8 fl. oz. of water and consumed 20-30 minutes prior to your workout. It claims to provide various benefits, including increased concentration and motivation, improved endurance, enhanced energy levels for more intense workouts, faster recovery, boosted performance, and reduced muscle fatigue.

According to the marketing material on Cellucor’s official website, C4 Sport is designed to cater to all types of trainees and assist them in achieving their health and fitness goals. It is currently available in flavors such as Watermelon, Blue Raspberry, and Fruit Punch.

While the manufacturer’s claims may sound promising, it’s important to rely on the product’s ingredients and customer reviews to assess its effectiveness. Let’s move on to the next part to delve deeper into these aspects.

Cellucor C4 Sport ingredients

While Cellucor C4 Sport may contain some familiar blends and components commonly found in pre-workout products, it also includes certain key ingredients that contribute to its uniqueness.

CarnoSyn Beta-Alanine

Beta-alanine, a nonessential amino acid, is naturally synthesized in the liver and can also be obtained through the consumption of poultry and beef. This amino acid aids in the production of a compound known as carnosine, which plays a crucial role in delaying or preventing the accumulation of lactic acid, muscle fatigue, and failure during intense workouts or high repetitions. Additionally, it enhances performance by improving workout capacity.

While the C4 Original and C4 Ripped supplements specify that they contain 1.6 g of CarnoSyn beta-alanine, the version mentioned does not provide the precise quantity of this ingredient. Instead, it states that each scoop consists of 4.9 g of the C4 Sport Performance Blend.


There is no doubt why caffeine is the main energy driver, not only in the C4 Sport but also in other stimulants. Caffeine helps boost energy for elevated focus during the workout. Also, it is known as power output to enhance the training volume for better effects. Each serving has 135 mg of caffeine that is on the lower end as compared to some pre-workout products. For reference, a standard cup of coffee has about 100 mg of caffeine.


Creatine Monohydrate

It should be noted that creatine is a good inclusion in this formula. It aids to boost energy levels and exercise performance by increasing your natural reverses and transferring power to all your muscles.

Arginine Alpha Ketoglutarate (or AAKG)

It is also a nonessential amino acid that claims to speed up nitric oxide production. This helps you train longer and harder without getting sore or stiff. Also, AAKG plays a crucial role in enhancing protein synthesis, which supports the body to build muscles and enhance their size, endurance, and strength.


Similar to AAKG, taurine also makes muscles work longer and harder by increasing the capacity of muscles to contract and create force while lifting. At the same time, it gets rid of waste products from the muscles that might lead to muscle fatigue and burn.


For strong bones and heart health, supplementing calcium is a must for the body. With 22 mg of calcium in the C4 Sport’s formula, it is known as a good inclusion to contribute to normal energy release and muscle performance.

Vitamin B6 and vitamin B12

These are two important vitamins that are involved in many functions in the body. They are also necessary for normal energy release and lower fatigue and tiredness.

Does Cellucor C4 Sport pre-workout powder work?

At the time of writing, the C4 Sport supplement had received an average rating of 4.5 out of 5 stars based on 12,859 reviews. Of these reviews, 72% awarded it 5 stars and an additional 15% gave it 4 stars, resulting in a high satisfaction rate of 87% among customers.

Customers have reported several benefits when using C4 Sport. They have found that it allows them to work out with heavier weights and for longer durations. They also appreciate its taste and the value they receive for the money spent. The supplement provides an energy boost, enhances motivation, and improves focus, which are aspects that customers particularly enjoy.

However, there is a small number of buyers who have given the supplement a rating of 3 stars or less. Their feedback is worth considering before making a decision. Some users have mentioned that they did not experience a significant energy boost, while others did not like the taste. A few individuals even attempted to increase the dosage to achieve desired effects, but this made it less cost-effective.

It’s important to be aware of potential side effects when using any pre-workout product, including C4 Sport. Each individual may react differently to the ingredients present in the supplement. Common side effects that some people may experience include headaches, anxiety, jitters, cramps, and trouble sleeping. Therefore, it is advisable to consult with a doctor or a certified personal trainer before trying it.


Pros and cons of Cellucor C4 Sport


  • Trusted and reputable brand – Cellucor
  • Helpful vitamins and minerals for overall well being
  • Combines with some great ingredients
  • Helps reduce muscle fatigue
  • Supports muscle growth and boosts strength
  • Safe to use with a certification by NSF
  • Low in calories
  • Easy to mix in water
  • Reasonably-priced


  • Different experiences for different users
  • Undisclosed doses
  • Contains sucralose for taste

Where can I purchase Cellucor C4 Sport pre-workout powder?

To be sure you get a legit product and take advantage of the available deals and discounts, we highly suggest buying it on:

  • The official website – Although the retail price for one bottle is $19.99 (a bit higher compared to other places), if you subscribe, the price is only $13.99.
  • Amazon – $18.48
  • Walmart – $18.48
  • Target – $19.99

These places are just so safe, secure, and easy for you to buy. Just a few clicks and everything is done.

Our final thoughts

In my opinion, the Cellucor C4 Sport is a viable choice for a pre-workout supplement. It holds its position in the market due to being tested by an organization that guarantees its freedom from banned contaminants and substances. This aspect makes it particularly appealing to individuals who are new to using such supplements or who wish to avoid the risk of testing positive for banned substances. Therefore, considering these factors, the Cellucor C4 Sport is a suitable option to consider.

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