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Cellucor C4 Extreme vs MusclePharm Assault

Quick Assault vs C4 Summary Points

  • In short C4 is a concentrated pre workout with limited ingredients while Assault is a non-concentrated pre workout with a vast range of ingredients
  • C4 has a relatively transparent  formula in contrast with Assault which is largely a proprietary blend
  • C4 is largely considered to have a better taste profile than Assault, plus it comes in a wider range of flavours
  • C4 is cheaper than Assault, but consideration needs to be given to large discrepancy in serving size

Cellucor C4 Extreme and MusclePharm Assault are two of the best selling pre-workout supplements in the world. While both supplements belong in the pre-workout category, C4 is considered a concentrated pre-workout, whilst MusclePharm Assault is your regular non-concentrated pre-workout. Both these products have their pros and cons, but which of these two is the better pre-workout?

C4 vs Assault Ingredients

Comparing these two supplements is hard as they are essentially such different products even though they are both considered pre-workout supplements. To quickly compare the products, let’s take a look at the active ingredients that both supplements share and what ingredients differ between the products.

Shared Ingredients


Beta-Alanine, L-Arginine AKG, L-Tyrosine, Caffeine, Vitamin B6, Vitamin B12



Different Ingredients

Cellucor C4

MusclePharm Assault


Creatine Nitrate, Vitamin C, Bitter Orange Extract, Niacinamide, Folate,


Citrulline, Dimethylglycine, Rhodiola Rosea, Creatine Monohydrate, Creatine HCL, Choline Bitartrate, Taurine, Medium Chain Triglycerides, Papain, Pyroglutamic Acid, L-Aspartic Acid, White Tea Leaf Powder, Branched Chain Amino Acids, Glycine, Di-Arginine Malate, L-Arginine HCL, Astragin, Cinnulin, Glutamine, Phosphorus, Sodium, Potassium


As you can see MusclePharm Assault has many more ingredients than Cellucor C4, which is due to the fact that the recommended serving size for Assault is much larger and therefore they can fit many more ingredients into the formula. In terms of different ingredients, besides bitter orange extract, Cellucor C4 doesn’t have anything dramatically different than what MusclePharm Assault provides. For this reason, MusclePharm Assault wins in this comparison category.

C4 vs Assault Dosing

Cellucor C4 has a recommended serving size of 6g while MusclePharm Assault has a recommended serving size almost 4 times that amount at 23g. Perhaps the best aspect of C4 Extreme is that all the active ingredients have their doses clearly and transparently labelled, so you can easily compare and decide how many serves of the product you need to obtain the effect you’re after or to achieve the adequate dose of a particular ingredient or ingredients. On the other hand, it is extremely hard to tell just how much of each ingredient there is in Assault. While there is more room to play around with in terms of dosing due to the serving sizes of Assault, the fact that you can’t really tell how much of each ingredient there is whey Cellucor C4 wins in this category by the slightest of margins.

C4 vs Assault Effectiveness

Both Cellucor C4 Extreme and MusclePharm Assault are considered excellent pre-workout supplements and both have their dedicated followers. Cellucor C4 is considered a better pre-workout if you’re after a quick and strong boost in focus, energy and attention. This is a critical distinction with concentrated pre-workouts because you don’t have a lot of powder to play around with and so they place a great emphasis on stimulants and other energy and focus ingredients which don’t require a large dose.

On the other hand, if what you’re after is endurance, fatigue support and a better pump, then MusclePharm Assault is your better option thanks to the inclusion of some excellent ingredients including citrulline, rhodiola and dimethylglycine. Overall, MusclePharm Assault is considered more effective thanks to a larger recommended serving size and the fact that it contains many of the ergogenic ingredients found in Cellucor C4 Extreme.

C4 vs Assault Taste, Flavour & Mixability

Cellucor C4 Extreme is one of the best tasting pre-workouts around and with 8 flavours, even the pickiest user will find a flavour that will suit their taste preference. MusclePharm Assault is similarly quite tasty but comes in one less flavour. While Assault does taste good, it has a slightly stronger taste than C4 and has a bit of an unpleasant aftertaste. This can be an issue, especially since you need to mix Assault in double the amount of water that C4 requires. Both supplements mix well without any noticeable residue, grittiness or frothing.

C4 vs Assault Price & Value

At it’s cheapest, a serving of Cellucor C4 Extreme will set you back $0.94, while a serving of MusclePharm Assault will cost you 50 cents more at $1.44. Having said that, paying an extra 50 cents for 17g more powder and plenty of extra ingredients is worth it in this author’s mind. As both supplements work quite well, the slight extra cost of Assault is more than made up for thanks to the supplements more versatile effects.

C4 vs Assault Winner

Cellucor C4 and MusclePharm Assault are two of the most popular pre-workout supplements around with Cellucor C4 eclipsing Assault by the slightest of margins in terms of popularity. However, both supplements are of high quality and provides an excellent array of ergogenic (performance enhancing) results. At the end of the day, it really depends on the type of training that you do and what type of benefits you’re after. Because best results come about with changes to your training routine, it is best to utilise the same training principles with your supplements. Overall, MusclePharm Assault helps you achieve a more comprehensive boost to your exercise capacity and is therefore our pick for the better supplement, but not by much.

Overall Winner: Cellucor C4

Although we try to be as objective as possible, we understand that opinions can vary between individuals. As such, the results of this comparison may not be agreed upon by everyone and should only be used as a guide.

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