10,668 reviews
best decision
July 05, 2021
so I want to start off by saying I've only ever written like 2 or 3 reviews in my life. I've been working out for a while and I've never ...
Ethan · Review provided by gnc.com
December 11, 2022
I love this pre workout. I use it every day before I go to the gym. I highly recommend this product I love this pre workout. I use it eve...
kinsley.g · Review provided by influenster.com
Doesn't pack a super hype punch like some preworkouts
September 22, 2021
My favorite Pre Workout when I’m on a budget. I’m a college student and sometimes money can be tight, but I can’t leave those gains behin...
iHerb Customer · Review provided by iherb.com
Wow, Just WOW!
August 27, 2022
I have used RSP AminoLean for a while and really liked it. Good flavor, clean energy, no side effects. Then I tried C4 Original...and OMG...
iHerb Customer · Review provided by iherb.com
March 16, 2023
Absolutely the best pre-workout. I've used abused many other products are in line. I actually like old school labs, but their prices are ...
sasha.r · Review provided by influenster.com
July 06, 2022
It's hard to find a good pre workout these days. Some will make you jittery, some fog up your mind, and some flat out don't work. C4 has ...
ryan.m · Review provided by influenster.com
June 06, 2022
I have to say yes to C4! You can see in the pic I posted how much leaner my face looks and I don’t have that look of malnutrition that ...
marie.m · Review provided by influenster.com
C4-Explosive Energy, as promised.
September 15, 2022
Quality, affordable and tasty. I purchased this during a buy-one-get-one sale and am very happy. Most preworkouts I've had are hard to dr...
Michael J · Review provided by gnc.com
May 02, 2023
Great tasting pre-workout but doesn't last as long as some of the other brands, but I recommend it for people new to pre-workout. The tas...
gabriele.a · Review provided by influenster.com
FTWitachi C4 Official Review!
May 22, 2018
C4 Flavor: 10/10 C4 Original- Strawberry Margarita, Icy Blue Razz, Cherry Limeade, Orange Burst, Green Apple, Pink Lemonade, Watermelon, ...
Evan G. · Review provided by cellucor.com
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