Cellucor C4 Ultimate Review For Serious Pre-Workout Performance

Cellucor C4 Ultimate

This pre-workout is great for delivering extreme focus and energy so you feel powerful pumps and see peak performance.

Product Overview

Sometimes it takes us too long to get ready for a workout. We feel sluggish, tired, exhausted after a long day at work. And yes, there are those times where our bodies just won’t get off the couch. But you need to. And you know you need to. Pre-workout supplements are a great way to get you moving so you see those gains you want most. With ingredients to boost energy and help see growth and added gains, these products are a tasty way to get up and get moving. Cellucor C4 Ultimate is a powerful pre-workout designed to see real energy, serious pumps, and allow you to reach peak performance for the best results.

What a good pre-workout will do is give you a real boost of energy to get you up and moving while also providing focus and alertness so you stay on top of all your workouts. These supplements can also provide for muscle pumps to get your blood flowing so you see that desired growth you want most. By working to reduce fatigue, they can keep you going for longer while also enhancing recovery so you bounce back faster and with less stress. Cellucor C4 Ultimate can do this and more as you seek the most out of your peak performance.

Cellucor C4 Ultimate is a powerful pre-workout supplement designed to increase energy, provide powerful muscle pumps, and enhance focus for peak performance. Effective ingredients and a fully transparent label ensure you get the best for your pre-workout needs.

Cellucor is a leading sports nutrition brand creating award winning products that are quality you can trust in. With a focus on creating the best supplements for athletes everywhere matched by prompt customer service, Cellucor is on a mission to better the lives of their consumers with top tier supplements, amazing benefits and results, and quality care.

Cellucor C4 Ultimate Highlights

Cellucor C4 Ultimate is a great pre-workout supplement designed to help you see results and achieve peak performance so all your goals are met. This supplement will work to deliver serious energy, provide powerful pumps, enhance better muscular endurance, and offer extreme focus so you see huge gains and reach peak performance. Clinically studied ingredients are mixed into a cutting-edge formula to only give you the best when it comes success. A fully transparent label tells you everything you deserve to know and this supplement contains no artificial flavors, dyes, or proprietary blends to ruin a great product.

4-phase workout


Ultimate Energy

Caffeine Anhydrous: Works to elevate energy so you can tackle any grueling workout while boosting focus and reaction time to improve performance (1).

Theacrine: Can help you push through fatigue and enhance energy and focus for the best in terms of performance (2).

Rauwolfia vomitoria: May boost exercise performance as well as enhancing mood as an effective activator of serotonin receptors.

Ultimate Performance

CarnoSyn Beta-Alanine: Works as a buffer for pH levels to push past fatigue that may strike.

Creatine HCL: This is creatine bound to hydrochloric acid which will work towards increased bioavailability and reduce side effects (3).

Creatine Nitrate: Can improve cardiovascular performance and power output for those more grueling workouts while also improving the flow of oxygen.

Ultimate Pumps

L-Citrulline: Can boost nitric oxide while maintaining good blood flow for increased muscle pumps (4).

Citrulline Malate: May help delay the onset of fatigue to keep you working harder and for longer.

Citrulline Nitrate: Can improve vascular function and exercise performance as well as increasing the bioavailability of nitric oxide.

Ultimate Focus

Taurine: Can help with aerobic and anaerobic performance, metabolic stress, and recovery while also improving focus to stay on track (5).

N-Acetyl L-Tyrosine: May boost cognition and alertness for increased focus and may also improve mood (6).

AlphaSize A-GPC: Can enhance brain metabolism for improved focus, memory, and sports performance.

Huperzine A: Used to enhance cognition during exercise, this can improve focus, alertness, and muscle strength.

Cellucor C4 Ultimate

Stim Or No Stim Stim
Calories 5
Carbs Less than 1
Sugar N/A
Number Of Servings 12, 20, or 40
Flavors Icy Blue Razz, Strawberry Watermelon, Orange Mango, Sour Batch Bros, Cotton Candy
Best Way To Take Take one scoop with 10-12 fl. oz. of water 20-30 minutes before training.

Price, Flavors & Effectiveness

Cellucor C4 Ultimate is that pre-workout supplement you need most to deliver energy, pumps, muscular endurance and extreme focus to capitalize on all your gains. With 12 servings per container, 1 scoop of this powerful formula will pump you with everything you need to see peak performance and serious gains.


  • Delivers energy, powerful pumps, muscular endurance, and extreme focus, among other benefits
  • Effective ingredients to help see results and achieve peak performance
  • A fully transparent label with no artificial dyes, flavors, or proprietary blends
  • From a well-known company in Cellucor


  • Low number of servings makes us wish there were more and it gets pricey with higher servings
  • Flavor tastes great but may be strong for some

Price: $23.99

Check out our list of the Best Pre-Workout Supplements for more great pre-workout products!

Featured Athlete

Sadik Hadzovic

Sadik Hadzovic

Sadik Hadzovic is a bodybuilder and Cellucor athlete using their products to round out his supplementation routine with effective and awesome products. Sadik knows what is required to look and feel his best and using only top tier supplements ensures his gains stay intact. Having competed on big stages, like the Arnold Classic and Mr. Olympia, Sadik seeks to continue to perform at a high level with Cellucor and their amazing line of supplements backing him.

Overall Value

Cellucor C4 Ultimate is that powerful pre-workout supplement you need most to boost those gains. Designed to give you great energy boosts, provide for serious pumps, and ultimately lead to peak performance, this effective and cutting-edge formula delivers all those pre-workout needs to you as efficiently as possible. Cellucor knows the needs of athletes and works hard to deliver everything athletes need to thrive. What you are really getting is a powerful pre-workout with effective ingredients, a transparent label, and a well-known company backing you. Try Cellucor C4 Ultimate today and work to each peak performance in no time.

Try Cellucor C4 Ultimate Today

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*Images courtesy of Cellucor and Envato


  1. McLellan, T.; Caldwell, J.; Lieberman, H. (2016). “A review of caffeine’s effects on cognitive, physical and occupational performance”. (source)
  2. Bello, M.; Walker, A.; McFadden, B.; Sanders, D.; et al. (2019). “The effects of TeaCrine and caffeine on endurance and cognitive performance during a simulated match in high-level soccer players”. (source)
  3. Franca, E.; Avelar, B.; Yoshioka, C.; Santana, J.; et al. (2015). “Creatine HCL and Creatine Monohydrate Improve Strength but Only Creatine HCL Induced Changes on Body Composition in Recreational Weightlifters”. (source)
  4. Gonzalez, A.; Trexler, E. (2020). “Effects of Citrulline Supplementation on Exercise Performance in Humans: A Review of the Current Literature”. (source)
  5. Waldron, M.; Patterson, S.; Tallent, J.; Jeffries, O. (2018). “The Effects of an Oral Taurine Dose and Supplementation Period on Endurance Exercise Performance in Humans: A Meta-Analysis”. (source)
  6. Coull, N.; Chrisman, B.; Watson, P.; Horsfall, R.; et al. (2016). “Tyrosine Ingestion and Its Effects on Cognitive and Physical Performance in the Heat”. (source)
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Austin Letorney is a writer, actor, and fitness enthusiast. As a former rower, he has shifted his focus to sharing his knowledge of the fitness world and strength sports with others.