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Maximize Your Performance: A Closer Look at C4 Ultimate Pre-Workout Review

We researched Cellucor C4 Ultimate Pre-Workout to see if it delivers the pinnacle of pumps, energy, and focus as promised. This formula boasts the science-backed ingredients you expect from C4's 20-year legacy, including the unique AI-powered peptide PeptiPump®.

Our editors independently research, test, and recommend the best products; we may receive commissions on purchases made from our chosen links. You can learn more about our review process here.

Introduction

Need a pick-me-up before going to the gym? You only need to look at C4 Ultimate Pre-Workout. Many bodybuilders, sportsmen, and fitness enthusiasts who want to get the most out of their workouts turn to it. Examining this well-liked supplement, shall we determine whether the hoopla is justified?

We’ll examine the efficacy, composition, flavor, and user experience of Cellucor’s C4 Ultimate Pre-Workout in this comprehensive study. As we go into the details of this potent vitamin, buckle up.

Let’s first quickly review the main characteristics of C4 Ultimate Pre-Workout. After that, we’ll balance the benefits and drawbacks to decide whether to buy it.

Key Takeaways

  • C4 Ultimate Pre-Workout is a popular choice for boosting performance before hitting the gym.
  • Made by Cellucor, it’s designed for advanced users seeking enhanced performance.
  • It contains 300 mg of caffeine per serving and other key ingredients like citrulline and beta-alanine.
  • Comes in flavors like Strawberry Watermelon, Icy Blue Razz, Sour Batch Bros, Arctic Snow Cone, Nectarine Guava Knockout, Mango Foxtrot, Bare Knuckle Blood Orange, Freedom Ice, Orange-mango.
  • It’s a bit pricey at $2.25 per serving but can be more affordable with a subscription.
  • Users report feeling more energized and focused during workouts.
  • Some experienced a tingling sensation due to beta-alanine.
  • Not recommended for those sensitive to caffeine or pregnant/nursing women.
  • Overall, it offers a satisfying user experience with good taste and minimal side effects.
  • You can return it within 90 days for a full refund if you’re not satisfied.
  • Customers seem happy with its effectiveness and taste, but individual preferences may vary.

A Quick Look at C4 Ultimate Pre-Workout

When it comes to pre-workout pills, C4 Ultimate Pre-Workout is the best. This product, which is made by the well-known sports nutrition business Cellucor, is intended to help you get more out of your workouts.

It is designed for advanced users looking for increased performance because it has a high concentration of stimulants and a staggering 300 mg of caffeine per serving.

How Does It Rate?

Editor’s Rating
4.5/5

C4 Ultimate Pre-Workout

A tub of cellucor c4 ultimate pre workout freedom ice flavor.
Ingredients

4.4/5Ingredients
Value for Cost

4.7/5Value for Cost
Manufacturer

4.4/5Manufacturer
Safety

4.5/5Safety

C4 Ultimate Pre-Workout Specs

Specs Details
Price per serving $2.25
Servings per container 20 servings (one scoop serving size)
Caffeine per serving 300 milligrams
Flavors Strawberry Watermelon, Arctic Snow Cone, Icy Blue Razz, Orange Mango
Active Ingredients Citrulline (L-citrulline citrulline nitrate, citrulline malate), Carnosyn beta-alanine, creatine HCl and creatine nitrate, taurine, caffeine anhydrous, choline, theacrine (as TeaCrine), toothed clubmoss, Rauwolfia vomitoria root bark extract
Sweeteners Acesulfame K, sucralose
Money Back Guarantee 90-days 100% money-back guarantee

Experience Using C4 Ultimate Pre-Workout

The experience of using C4 Ultimate Pre-Workout can be summed up in simple terms. When tested by experts, this pre-workout earned high marks for its effectiveness, taste, and how well it mixes in water. Let’s break it down:

Price per serving

C4 Ultimate Pre-Workout is considered a premium pre-workout supplement, and its pricing reflects that. A single 20-serving container typically costs around $39.99, which translates to roughly $2 per serving.

While this may seem expensive compared to some other pre-workouts on the market, it’s important to consider the potent formula and high-quality ingredients used.

Formulation

C4 Ultimate Pre-Workout is formulated with experienced and hardcore fitness enthusiasts in mind. It packs a powerful punch, with a robust blend of ingredients designed to deliver an intense energy boost, heightened focus, and improved endurance during your workout sessions[1].

Supplement Facts label on a jar of Cellucor C4 Ultimate pre-workout powder.Supplement Facts label on a jar of Cellucor C4 Ultimate pre-workout powder.

One of the key ingredients in C4 Ultimate Pre-Workout is caffeine, which is included at a substantial 300mg per serving. This dose of caffeine is significantly higher than what you’d find in a typical cup of coffee, providing a potent energy rush and cognitive enhancement[2].

There are also beneficial additives such as taurine. As we explained in our Transparent Labs BULK Review article, Taurine is also known for enhancing exercise performance and alleviating soreness.

Taste and solubility

One of the standout aspects of C4 Ultimate Pre-Workout is its taste and mixability. Unlike some pre-workouts that can have a chalky or unpleasant taste, C4 Ultimate Pre-Workout has received high praise for its delicious flavor options.

Related: Best Natural Pre-workout

The “Sour Batch Bros” flavor, in particular, has been a fan favorite among users. This flavor is described as having a sweet and sour candy-like taste, making it enjoyable to consume before a workout.

Side effects

While C4 Ultimate Pre-Workout is generally well-tolerated by most users, there are a few potential side effects to be aware of. The most commonly reported side effect is a tingling or prickly sensation, often referred to as paresthesia[3].

We test the solubility of c4 ultimate pre-workout in our testing facility.Test the solubility and after test effects at the BodyBuildingReviews testing facility

This sensation is caused by the beta-alanine included in the formula, which can cause a temporary tingling feeling in the face, hands, and other areas of the body. While this “tingling sensation” can be uncomfortable for some users, it is generally harmless and is simply a side effect of the way beta-alanine works in the body.

If high-caffeination pre-workouts induce anxiety, it may be prudent to explore the top stim-free alternatives available.

Third-party testing

While Cellucor’s sports nutrition line, which includes products like their whey protein powder, is third-party tested for quality and purity, the same cannot be said for their pre-workout products like C4 Ultimate Pre-Workout.

Third-party testing involves sending product samples to an independent, accredited laboratory for analysis to ensure that the product contains the ingredients listed on the label in the stated amounts and that it is free from potential contaminants or banned substances.

a measuring spoon full of powder over a jar. The jar appears to be filled with protein powder.Third-party testing for quality and purity under GMP guidelines

While C4 Ultimate Pre-Workout does not undergo this third-party testing process, Cellucor has stated that its products are manufactured in facilities that follow strict quality control guidelines and adhere to Good Manufacturing Practices (GMP) established by the FDA.

Overall, C4 Ultimate Pre-Workout is recommended for those who want a powerful boost before their workouts and don’t mind spending a bit more on quality.

Comparison to Kaged Pre-Kaged

Comparison C4 Ultimate Pre-Workout Kaged Pre-Kaged
Price per serving $2.25 $2.25
Servings per container 20 servings 20 servings
Caffeine per serving 300 milligrams 274 milligrams
Flavors Strawberry Watermelon, Arctic Snow Cone, Icy Blue Razz, Orange Mango Fruit Punch, Berry Blast, Cherry Bomb, Pink Lemonade, Grape, Crisp Apple, Orange Krush
Active Ingredients Citrulline (L-citrulline citrulline nitrate, citrulline malate), Carnosyn beta-alanine, creatine HCl and creatine nitrate, taurine, caffeine anhydrous, choline, theacrine (as TeaCrine), toothed clubmoss, Rauwolfia vomitoria root bark extract L-Citrulline, BCAAs, betaine anhydrous, beta-alanine, creatine HCl, taurine, tyrosine, organic caffeine
Sweeteners Acesulfame K, sucralose Stevia, sucralose
Other Ingredients Natural and artificial flavors, calcium silicate, silicon dioxide, citric acid, malic acid, FD&C blue #1 Natural flavor, malic acid, citric acid, beetroot powder, sea salt, silicon dioxide, calcium silicate
Product Highlights Contains research-backed dosages of key ingredients like caffeine, creatine, and citrulline – 7 flavors are available Informed Sport-certified, meaning it’s been tested for quality assurance and banned substances – Contains betaine anhydrous for increased muscle endurance – Includes an ORAC blend for antioxidant support and coconut water powder for added electrolytes

Is C4 Ultimate Pre-Workout Worth It?

C4 Ultimate packs a punch with its blend of chemicals that are supposed to enhance your energy, focus, and stamina. It was created to ensure effects were met, with 300 milligrams of caffeine consumption per cup and scientifically effective levels of essential components such as citrulline[4] and beta-alanine.

Users report heightened focus and stimulation while working out, translating swiftly into enhanced performance[5]. The carefully engineered pharmacology of the C4 Ultimate product aims to maximize user benefits.

For many, it offers more value than numerous other pre-workout beverages, with the cost justified by the efficacy of its ingredients. However, it’s important to recognize that individual tolerances and preferences vary widely.

a container of Cellucor C4 Ultimate pre-workout powder in orange mango flavor sitting on a table.Orange mango flavored Cellucor C4 Ultimate pre-workout

The mix excels in flavor and solubility. Customers appreciate how well the energy mix integrates with water or other liquids. This aspect is critical for many, as a palatable taste increases the likelihood of incorporating it into their daily regimen.

Ultimately, personal conditions, preferences, and financial circumstances will determine if the C4 Ultimate Pre-Workout is a worthwhile investment. For seasoned users seeking to amplify their capabilities and reach fitness milestones, this product can be a favorable option.

Other alternatives may be suitable for those who are more cautious with caffeine or have budget constraints. Therefore, it’s essential to balance the pros and cons and make an informed decision.

Ordering C4 Ultimate Pre-Workout

C4 Ultimate Pre-Workout is available for purchase on the official Cellucor website, as well as various online retailers like Amazon, GNC, and Vitamin Shoppe. When ordering from the Cellucor website, you have the option to subscribe and save up to 20% on your order.

This subscription service allows you to receive regular shipments of your favorite C4 Ultimate Pre-Workout flavor, ensuring you never run out of your pre-workout supply. Ordering from the Cellucor website also allows you to bundle your purchase with other Cellucor products, such as protein powders or best amino acid supplements, potentially saving you even more money.

Additionally, the website often offers exclusive deals and promotions for first-time customers or for those who sign up for their newsletter.

If you prefer to shop in-store, you can find C4 Ultimate Pre-Workout at various supplement retailers like GNC, Vitamin Shoppe, and even some local health food stores. However, it’s always a good idea to check online for any available discounts or promotions before making your purchase.

What Do the Reviews Say?

Customers express considerable satisfaction with C4 Ultimate. This pre-workout powder boasts an average rating of 4.7 stars on the brand’s official site and 4.5 stars on Amazon, based on over 3,477 reviews.

A recurring sentiment among users is the product’s remarkable efficacy, providing sufficient strength and stamina for rigorous exercise sessions. Although some mention the tingling sensation, seasoned caffeine consumers report no jitteriness.

An amazon review shares their review of c4 original mix with c4 ultimate pre-workout taste good.An amazon reviews on C4 Ultimate pre-workout

“I typically consume two-thirds of a scoop, and the pumps are phenomenal. It doesn’t make me jittery since I’m accustomed to caffeine, but those without a tolerance to beta-alanine might feel a tingling sensation. Highly recommended!” shares an Amazon reviewer.

Conversely, another Amazon reviewer comments, “Icy blue razz is awful. I’ve used C4 Original for years with the same flavor, which is excellent. The Ultimate version offers 20 servings, with a scoop more than twice the size of the Original. I use two scoops of the Original, and it works well for me. I won’t purchase C4 Ultimate again; I simply dislike the taste.”

conclusionConclusion

To sum up, the C4 Ultimate Pre-Workout review suggests that the supplement might be an option for those willing to benefit from a high-power product for training performance. Although the product might be slightly expensive to consume, its utility, great ratio of ingredients, and high rating by customers support its value for money.

The supplement provides nice usability through pleasant taste, easy dissolvability, and low side effects. While not appropriate for everyone’s palate or budget size, the product remains a worthy choice for experienced fitness lovers wanting to intensify their training and feel pushed.

Frequently Asked Questions (FAQs)

Q. What makes C4 Ultimate Pre-Workout stand out?
A. C4 Ultimate Pre-Workout stands out because it’s designed to give you a big boost before your workouts. It has a lot of caffeine, which can help you feel more awake and focused when you’re exercising.

Q. How much caffeine is in C4 Ultimate Pre-Workout?
A. Each serving of C4 Ultimate Pre-Workout contains 300 milligrams of caffeine. That’s about the same as three cups of coffee, so it’s pretty strong!

Q. Is C4 Ultimate Pre-Workout good for beginners?
A. C4 Ultimate Pre-Workout is best suited for people who are used to taking pre-workout supplements and are looking for something stronger. If you’re new to pre-workouts or if you’re sensitive to caffeine, you might want to start with a milder option.

Q. Are there any side effects of taking C4 Ultimate Pre-Workout?
A. Some people might experience tingling sensations, especially if they’re not used to the ingredients in the pre-workout. It’s also important to remember that C4 Ultimate Pre-Workout contains a lot of caffeine, so it’s not recommended for people who are sensitive to caffeine or who have certain medical conditions.

Q. Can I return the C4 Ultimate Pre-Workout if I don’t like it?
A. Yes, you can! Cellucor, the company that makes C4 Ultimate Pre-Workout, has a generous return policy. You have 90 days to return the pre-workout for a full refund if you don’t like it, even if you don’t buy it directly from their website.
Q. How much does C4 Ultimate Pre-Workout cost?
A. C4 Ultimate Pre-Workout costs $2.25 per serving, which is a bit pricey compared to some other pre-workout supplements. However, if you sign up for a subscription, you can save some money on each order.

Q. Who should avoid taking C4 Ultimate Pre-Workout?
A. C4 Ultimate Pre-Workout is not recommended for people who are sensitive to caffeine, pregnant or nursing women, or those with certain medical conditions. It’s always a good idea to talk to your doctor before starting any new supplement.
Q. What do customers think about C4 Ultimate Pre-Workout?
A. Overall, customers seem to be happy with C4 Ultimate Pre-Workout. It has a high rating on both the brand’s website and Amazon, with many customers praising its effectiveness and taste. However, taste can be subjective, so it’s best to try it for yourself to see if you like it!

Where to Buy C4 Ultimate Pre-Workout?

Check the Amazon Website to Purchase this Product

5 Sources

BodybuildingReviews avoids using tertiary references. We have strict sourcing guidelines and rely on peer-reviewed studies, academic researches from medical associations and institutions. To ensure the accuracy of articles in BodybuildingReviews, you can read more about the editorial process here.

  1. Arazi H, Aboutalebi S, Taati B, Cholewa JM, Candow DG. Effects of short-term betaine supplementation on muscle endurance and indices of endocrine function following acute high-intensity resistance exercise in young athletes. J Int Soc Sports Nutr. 2022 Mar 22;19(1):1-16. doi: 10.1080/15502783.2022.2041988. PMID: 35599921; PMCID: PMC9116406.
  2. Fiani B, Zhu L, Musch BL, Briceno S, Andel R, Sadeq N, Ansari AZ. The Neurophysiology of Caffeine as a Central Nervous System Stimulant and the Resultant Effects on Cognitive Function. Cureus. 2021 May 14;13(5):e15032. doi: 10.7759/cureus.15032. PMID: 34150383; PMCID: PMC8202818.
  3. Maestre-Hernández AB, Pérez-Piñero S, López-Román FJ, Andreu-Caravaca L, Luque-Rubia AJ, Ramos-Campo DJ, Díaz-Silvestre MJ, Ávila-Gandía V. Effect of a sustained-release formulation of β-alanine on laboratory parameters and paresthesia in recreational trained men: a randomized double-blind placebo-controlled study. Front Nutr. 2023 Sep 12;10:1213105. doi: 10.3389/fnut.2023.1213105. PMID: 37766731; PMCID: PMC10520961.
  4. Gonzalez AM, Trexler ET. Effects of Citrulline Supplementation on Exercise Performance in Humans: A Review of the Current Literature. J Strength Cond Res. 2020 May;34(5):1480-1495. doi: 10.1519/JSC.0000000000003426. PMID: 31977835.
  5. Hobson RM, Saunders B, Ball G, Harris RC, Sale C. Effects of β-alanine supplementation on exercise performance: a meta-analysis. Amino Acids. 2012 Jul;43(1):25-37. doi: 10.1007/s00726-011-1200-z. Epub 2012 Jan 24. PMID: 22270875; PMCID: PMC3374095.

Jonathan Valdez, RDN, CDCES, CPT

Jonathan Valdez, RDN, CDCES, CPT is a New York City-based telehealth registered dietitian nutritionist and nutrition communications expert.
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