Over 15,000 5-Star Reviews

"cannot believe"

cannot believe
"I seriously cannot believe how I made it through my workouts before using C4."
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"Just what I needed"

Just what I needed
"Just what I needed to give me that extra boost during my morning lift session!"
Shop C4® Ultimate

"what I was looking for"

what I was looking for
"Definitely gained some muscle over these past weeks! Just what I was looking for!"

"wakes me right up"

wakes me right up
"I prefer working out fasted, and C4 wakes me right up and gives me crazy energy."
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