159 reviews
Just not My Cup of Pre-Workout
August 25, 2021
First off, C4: Ultimate Shred is my go-to for workouts 5 to 6 days a week; I can't recommend it highly enough. I love the stuff. I was ex...
Adam · Review provided by gnc.com
Nauseous. I wouldn't recommend.
June 02, 2022
I'm not new to pre-workouts, tried everything under the sun over the last 10 years. C4 dynasty makes me nauseous 80% of the time 100% of ...
Cody Bornstein · Review provided by Google
Over rated, no effects, too expensive!
May 15, 2020
For $70 a can and all the hype and marketing I honestly expected a whole lot more. Very over rated and no difference. The C4 Extreme actu...
Eric · Review provided by cellucor.com
September 27, 2020
Took it and worked out. After getting home from the gym I felt horrible and threw up. My stomach feel bloated and I feel like throwing up...
Jeremy · Review provided by Google
C4 dynasty review
April 30, 2022
It was significantly less affective than the beyond raw lit or even the single serve C4 cans. Definitely not worth the money.
JASON · Review provided by gnc.com
Terrible taste and reverse affects
May 11, 2020
Worst C4 I’ve had. Had terrible side affects to this and contacted GNC in regards to this and they blew me off like I was nothing. Highly...
Ryan · Review provided by gnc.com
Do not waste your $70 bucks
May 12, 2020
Not impressed at all. Didn't worked for me, maybe it does for others but i was disappointed . I gonna go back to insane labz since their ...
saul · Review provided by gnc.com
Don't waste your money
March 03, 2020
Nothing about this product is worth $70 for 20 servings. Just double the dosage of much much cheaper products if you want that much of a ...
Robb · Review provided by gnc.com
Stay away
March 04, 2020
So based on the store manager at gnc and reviews he's gotten and said he tried it himself i decided to buy strawberry kiwi the flavor is ...
james · Review provided by gnc.com
I would never buy this again
February 21, 2020
Everyone I let try this felt too sick to work out.
ryan · Review provided by cellucor.com
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