C4 Smart Energy Cherry Berry Lime Performance Drink - 12 fl oz Can
$2.29 ($0.19/fluid ounce)
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Guests are saying
C4 Smart Energy drinks are highly praised for their delicious flavors and effective energy-boosting properties. Guests appreciate the refreshing taste and clean formula that provides sustained mental clarity without jitters or crashes. The sugar-free, zero-calorie profile makes it a guilt-free choice for those on a keto or fasting regimen. However, availability can be a challenge in certain areas, which may limit access for those eager to enjoy this energizing beverage.
Summary created by AI from text of reviews reflecting recent feedback provided across different star ratings (includes incentivized reviews)
4.4 out of 5 stars with 67 reviews
100% would recommend
1 recommendations
5 out of 5 stars
3 April, 2026
originally posted on C4 Energy
The best
It's the best tasting 1 they had.... I can down it it in 1 drink
5 out of 5 stars
17 February, 2026
originally posted on C4 Energy
Best energy drink out there
I have bought this energy drink for the past 3 years. It is amazing. I dont get jittery, I dont get a caffeine crash, and the flavors are amazing. Usually with other energy drinks you can taste the acidity of the malic acid or the sucrlalose unevenly. The flavors for this are perfectly balanced. No other energy drinks compares to this one.
5 out of 5 stars
14 January, 2026
originally posted on C4 Energy
YUM
These are the best energy drinks I have ever had. They give just enough focus and energy.
5 out of 5 stars
17 October, 2025
originally posted on C4 Energy
Zero guilt refreshing, brain-boosting pick-me-up
C4 Smart Energy is my favorite energy drink. With its light, refreshing taste and clean formula, it delivers a steady stream of mental clarity and alertness that lasts through the morning without the dreaded jitters or crash. C4 Smart Energy's sugar-free, O calorie, O Carb profile makes it a guilt-free companion to my daily anabolic fasting routine. I love the crisp light flavors like Cherry Berry Lime, Blue Raspberry, Tropical Passionfruit to name a few. But here’s the catch: finding it in Central Ohio can be a challenge. C4 Smart Energy isn’t widely stocked in major gas stations or retail locations. For a drink that’s perfect for on-the-go mornings, its limited availability is a real letdown. I feel with additional marketing it would be a go to for anyone looking for a light refreshing keto and anabolic fasting pre-workout drink or a quick light pick-me-up.
5 out of 5 stars
21 August, 2025
originally posted on C4 Energy
I can use my brain again
This stuff works great for brain fog or if you work in a field that you need to use your brain.
5 out of 5 stars
19 June, 2025
originally posted on C4 Energy
Delicious for Sugar Free
Strawberry Guava is my favorite flavor!!!! It gives me the boost that I need in the morning and it taste great for sugar free!!!!
5 out of 5 stars
4 June, 2025
originally posted on C4 Energy
I WOULD PERSONALLY RECOMMEND
VERY GOOD ENERGY DRINK! PERSONALLY I DO SEE MY METABOLISM WORKING A LOT FASTER! I AM ALSO ABLE TO BURN A LOT MORE CALORIES
4 out of 5 stars
7 May, 2025
originally posted on C4 Energy
Quick Simple
Better tasting the some of the other ones i have had, it definitely helps with focus.
5 out of 5 stars
2 May, 2025
originally posted on C4 Energy
Love all C4 energy drinks
I was very interested to try all energy drinks that had Watermelon flavors. C4 tasted very good
5 out of 5 stars
2 April, 2025
originally posted on C4 Energy
Best energy drink on the market
Great flavor and love the carbonation. Perfect size. Great price
5 out of 5 stars
12 March, 2025
originally posted on C4 Energy
Great light taste..0 Calorie 0 Carb!!
Long lasting no crash!! Love this but so hard to find in Central/southeast Ohio
5 out of 5 stars
27 May, 2024
originally posted on C4 Energy
C4 Energy Review
Overall I loved the flavor! It is the perfect balance to wake me up on early morning and still satisfy me:) love it
3 out of 5 stars
23 May, 2024
originally posted on C4 Energy
It was good!
The smart energy C4 drinks are good but not my favorite! They taste a little too carbonated for me!
5 out of 5 stars
Thumbs up graphic, would recommend
2 July, 2023Verified purchase
Energy or pre work oit
Small can but taste good love energy drinks even tho this is apparently a pre workout drink it says energy drink on it