Saturday, November 7, 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
The product is easy to use and they deliver quickly.
By Norman W.
Response from Liquid Caffeine· Oct 24, 2026
Thank you Norman we are glad you like our Liquid Caffeine. We look forward to continuing to provide you with easy and effective caffeine quickly.
Always a great product, great service and outstanding customer service.
By John C.
Recent shipping times are greatly reduced!
By Greg R.
Product is great and easy to use by pump or travel packets. It is reasonably priced, easy to order and ships fairly quickly.
By Lisa S.
It works without being too much.
By Betty M.
There was confusion as I started the order with GooglePay and then again with ApplePay. I wrote them a headsup and they were in touch with me to make sure the order only went through once.
By Adam S G.
Love this stuff. I gave up diet coke and drink this added to my water.
By aimee C.
Sweet is great tasting. Fast reorder delivery.
By ERIC M.
