12,659 reviews
October 10, 2022
America's #1 Pre-Workout Brand‡ Explosive Energy & Performance Naturally & Artificially Flavored Dietary Supplement 30 Servings NSF - Cer...
iHerb Customer · Review provided by iherb.com
January 11, 2023
Take each serving (approx. 1 scoop) of C4 Sport® with 8 fl. oz. of water and consume 20-30 minutes before training. Once tolerance has be...
iHerb Customer · Review provided by iherb.com
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
January 09, 2023
Guys, I love this preworkout!!! I’m 7+ months postpartum. Second month back at the gym. This is one of the recommended and safe preworkou...
iHerb Customer · Review provided by iherb.com
Gave me power for more than 3 hrs after worked out
July 17, 2022
WOW!!! Is this a magic portion??? lol I was feeling super tired for couple of years. I am 56. I since I had it today and did treadmill fo...
Willie · Review provided by walmart.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
First time. & i liked it!
December 30, 2022
I’ve never used a pre workout before, I took a chance at this one. It does work, I did feel a tingly sensation through my body 2 or 3 tim...
L · Review provided by Target
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
May 02, 2022
Have you ever tried Pre workout and instantly get itchy like ants are crawling all over you? That will not happy with this preworkout. I ...
chelsea.g · Review provided by influenster.com
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