Fast service
Fast service
By Wayne H.
Sunday, November 8, 2026 · Customer reviews of US businesses
The Fair Hearing score
Excellent
156 reviews
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Honesty, pricing, process and quality scores appear once 5 customers have rated them.
Liquid Caffeine is your source for highly concentrated caffeine. Add it to any drink to make it an energy drink! Dispense a safe portion into your drink with the provided pump. Cut the sugar and chemicals out of your caffeine intake with Liquid Caffeine. Traveling get our packets. Each packet contains 80mg of caffeine and is great for when you are on a trip.
Liquid Caffeine (liquidcaffeine.com) has 156 customer reviews on The Fair Hearing, with an average rating of 4.8 out of 5.
Showing 144 reviews with 5 stars · Clear filters
Fast service
By Wayne H.
Items came quickly and the two that I gifted them to were quite pleased. Thank you for a wonderful experience
By Robin
Liquid caffeine has indeed changed my life, when I could no longer find seltzer water with caffeine I started looking elsewhere, and was so grateful to have found liquid caffeine! Now I can buy my favorite flavored seltzer water and add liquid caffeine to anything I buy. Thank you!
By Casey T.
As usual, your product is excellent. I have been a customer for years and come to rely on the clean burst of energy I get from it. In fact, I now keep a bottle at the office as requested by my coworkers. Thank you again.
By Shari
been using it for ages, and ages LOVE IT! 2 capfulls at 6 am.. i like to read and pray..keeps me wide a wake for both. VERY IMPORTANT! no crash.. i should get stock in company!
By marc B.
been a customer for like 10 years
By VD
Product was as expected and delivered quickly. Perfect experience.
By Andrew
Great stuff. I cut down on coffee to lower my potassium intake but lightly caffeinate my water I drink all day and this does the trick.
By Diana H.