Fitness

C4 Performance Energy 12-Pack

The energy drink that carries an NSF Certified for Sport mark, which is not something I can say about anything else in the gas station cooler.

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$27.99
Mike ManningBy Mike Manning
Marine veteran, gym owner, dad
Recon Report: full review pendingPhotos: C4 EnergyUpdated 2026-09-10
C4 Performance Energy 12-Pack

Quick Specs

Price$27.99
CategoryFitness
BrandC4 Energy
ReviewedSep 10, 2026
Price$27.99 for a 12-pack of 16oz cans ($25.19 with Subscribe and Save)
Caffeine200mg per 16oz can
SugarZero, no artificial colors
CertificationNSF Certified for Sport (per C4: tested and certified for professional and collegiate athletes)
ActivesCarnoSyn beta-alanine, BetaPower betaine, vitamin B12; mg doses not published
Name noteFormerly sold as C4 Energy / C4 Original Carbonated, now C4 Performance Energy
How I got itNot in hand yet. Recon from the published specs; hands-on review pending

What I Like

  • NSF Certified for Sport. C4 states it is tested and certified for professional and collegiate athletes, which almost nothing in the energy drink aisle can claim.
  • 200mg caffeine and zero sugar per 16oz can. A real dose with no sugar crash stacked on top.
  • About $2.33 a can in the 12-pack, which beats the $3 to $4 you pay for one at the register.
  • Eleven flavors on the standard lineup, so you are not stuck drinking the same can forever.

What I Don't

  • The beta-alanine and betaine doses are not published on the product page, so there is no way to judge whether they are working doses or label decoration.
  • 200mg of caffeine is a lot. This is a morning or pre-training can, not a 4pm desk drink, and not for the caffeine-sensitive.
  • Three of the eleven flavors were out of stock when I wrote this.

Straight talk before anything else: this is a recon, not a review. I do not have a case of these in hand yet. What follows is a coach's read of the published label, and the full review lands once I have lived with it for a while.

One housekeeping note. If you knew this can as C4 Energy or C4 Original, same product, new name. It is now sold as C4 Performance Energy.

The Label Read

Each 16oz can carries 200mg of caffeine, zero sugar, and no artificial colors, plus vitamin B12. That caffeine number is roughly two cups of coffee in one can, so treat it like a real dose, because it is one.

The label also lists CarnoSyn beta-alanine and BetaPower betaine, which are legitimate branded ingredients. Here is the honest catch: C4 does not publish the milligram doses for either one on the product page. Without a number, I cannot tell you whether you are getting a working dose or a sprinkle for the label. So I will not pretend to know. The tingle test will have to wait for the full review.

Now the part that actually made this can worth a recon page. It is NSF Certified for Sport, and that is C4's own on-page claim, in their words: "Tested and certified for professional and collegiate athletes." That is the same third-party certification I lean on when I put my athletes on Thorne. In a category famous for mystery blends, an energy drink that submits to independent testing is rare, and a drug-tested athlete finally has something to point to when someone asks what is in their cooler.

Who It Is For

I keep my supplement advice in two lanes. My drug-tested athletes and the health-basics lane stay on Thorne, creatine first, and my read on that is in the Thorne creatine review. Flavored performance products like this one are the gym-bag lane: the stuff that makes training and long dad days more tolerable. This can is gym-bag lane with a certification most of that lane never bothers to earn.

If you are the guy grabbing a random energy drink before the gym or the 6am youth practice you volunteered to coach, this is the version of that habit with a paper trail. If caffeine wrecks your sleep, or you were planning to drink it at 4pm, skip it.

The Honest Math

The 12-pack runs $27.99, about $2.33 a can, or $25.19 if you subscribe. Singles at the register run $3 to $4 for drinks with no testing behind them. Eleven standard flavors, though three were out of stock when I wrote this. Get it, and check back for the full report once I have run a case through real weeks.

Every Dad Carry is reader-supported. The buy link on this page is an Amazon affiliate link, and qualifying purchases pay the site a commission at no extra cost to you. I did not receive this product free, and this recon was published ahead of hands-on testing.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Talk to your doctor before starting any supplement.

After Action Report

On paper, this is the rare energy drink a drug-tested athlete can point to a certification on: NSF Certified for Sport, 200mg caffeine, zero sugar, about $2.33 a can. That is the recon read. The full review lands once I have lived with a case.

Mike Manning

MIKE MANNING

Founder, Every Dad Carry

Dad | Coach | Marine Corps Veteran

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C4 Performance Energy 12-Pack: $27.99

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